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"Giúp tôi giải toán" trên Online Math đã trở thành một diễn đàn hết sức sôi động cho các bạn học sinh, các thầy cô giáo và các bậc phụ huynh từ mọi miền đất nước. Ở đây các bạn có thể chia sẻ các bài toán khó, lời giải hay và giúp nhau cùng tiến bộ. Để diễn đàn này ngày càng hữu ích, các bạn lưu ý các thông tin sau đây:
I. Nội qui tham gia "Giúp tôi giải toán"
1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các câu hỏi hay lên diễn đàn;
2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.
3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.
Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web.
II. Cách nhận biết câu trả lời đúng
Trên diễn đàn có thể có rất nhiều bạn tham gia giải toán. Vậy câu trả lời nào là đúng và tin cậy được? Các bạn có thể nhận biết các câu trả lời đúng thông qua 6 cách sau đây:
1. Lời giải rõ ràng, hợp lý (vì nghĩ ra lời giải có thể khó nhưng rất dễ để nhận biết một lời giải có là hợp lý hay không. Chúng ta sẽ học được nhiều bài học từ các lời giải hay và hợp lý, kể cả các lời giải đó không đúng.)
2. Lời giải từ các giáo viên của Online Math có thể tin cậy được (chú ý: dấu hiệu để nhận biết Giáo viên của Online Math là các thành viên có gắn chứ "Quản lý" ở ngay sau tên thành viên.)
3. Lời giải có số bạn chọn "Đúng" càng nhiều thì càng tin cậy.
4. Người trả lời có điểm hỏi đáp càng cao thì độ tin cậy của lời giải sẽ càng cao.
5. Các bài có dòng chữ "Câu trả lời này đã được Online Math chọn" là các lời giải tin cậy được (vì đã được duyệt bởi các giáo viên của Online Math.)
6. Các lời giải do chính người đặt câu hỏi chọn cũng là các câu trả lời có thể tin cậy được.
III. Thưởng VIP cho các thành viên tích cực
Online Math hiện có 2 loại giải thưởng cho các bạn có điểm hỏi đáp cao: Giải thưởng chiếc áo in hình logo của Online Math cho 5 bạn có điểm hỏi đáp cao nhất trong tháng và giải thưởng thẻ cào 50.000đ hoặc 2 tháng VIP cho 6 bạn có điểm hỏi đáp cao nhất trong tuần. Thông tin về các bạn được thưởng tiền được cập nhật thường xuyên tại đây.
Tham gia Hỏi đáp
1. as attractive as (so sánh bằng)
2. as beautiful as (so sánh bằng)
3. not as dangerous as ( con chó kia ko nguy hiểm như hình dáng của nó)
4. not as expensive as (tương tự như câu 3)
5, 6. different from (khác so vs)
7. as same as (câu đó bạn ghi nhầm á vì those thôi là chưa đủ nên those + ....)
8. not as uxurious as
9. is different from
10. as important as
Supply the correct passive form of the verbs in brackets
1.This computer____has been used_____(use) for two years
2.America_____was discovered_____(discover) by Christopher Columbus
3.I think this institution__has been widened______(widen) twice since 1999
4.Sydney Opera House in Australia__was finished____(finish) in 1973
5.My sister is studying law at Viet Nam National University, HCM city now. This university__wass situated_____(situate) in Thu Due District
6.The Great Wall in China___was built ____(build) many centuries ago
7.David and his father___were visited_____(visit) the Temple of Literature last week
8.The Golden Gate Bridge in San Francisco___was completed_____(complete) in 1937
9.The University of Cambridge___was formed____(form) in 1209. It is always considered to be one of the most prestigious universities in the world
10.BurjKhalifa in Dubai, the highest building in the world,___was opened____(open) in 2010
Supply the correct passive form of the verbs in brackets
1.This computer_________(use) for two years
2.America__________(discover) by Christopher Columbus
3.I think this institution________(widen) twice since 1999
4.Sydney Opera House in Australia________(finish) in 1973
5.My sister is studying law at Viet Nam National University, HCM city now. This university_________(situate) in Thu Due District
6.The Great Wall in China_______(build) many centuries ago
7.David and his father________(visit) the Temple of Literature last week
8.The Golden Gate Bridge in San Francisco________(complete) in 1937
9.The University of Cambridge_______(form) in 1209. It is always considered to be one of the most prestigious universities in the world
10.BurjKhalifa in Dubai, the highest building in the world,_______(open) in 2010
Complete the sentences by using"as...as, no...as, different...from"
1. Her daughter ...........is as beautiful as ..........her.(BEAUTIFUL)
2. That dog........isn't as dangerous as.........it looks.(NOT DANGEROUS)
3.Schools in Viet Nam .............are different from...........schools in USA.(DIFFERENT)
4. These trees...........are the asme as............those.(SAME)
5. His appearance.............is different from...........what i have expected.(DIFFERENT)
1. Her daughter is as beautiful as her.(BEAUTIFUL)
2. That dogisn't as dangerous as it looks.(NOT DANGEROUS)
3.Schools in Viet Nam are different from schools in USA.(DIFFERENT)
4. These trees are the same as those.(SAME)
5. His appearance is different from what i have expected.(DIFFERENT)
Complete the sentences by using as….as; not….as; different….from.
1.Ms. Hoa is……………not attractive as……………...Mrs. Lan. (attactive)
2.Her daughter is……………as beautiful as…………..her. (beautiful)
3.The dog…………is not dangerous as……………………… it looks. (not dangerous)
4.Living in Valencia………is not expensive as.......................living in Paris is. (not expensive)
5.Schools in Viet Nam are…different from……………… schools in the USA. (different)
6.Learning French is…………different from………….. learning English. (different)
7.These trees………………is not as same………………….. those. (same)
8.Vios…………………is not luxurious as………………….. Mazda 3. (not luxurious)
9.His appearance is……different from……………. what I have expected. (different)
10.His job is………………as important as…………………… mine. (important)
Complete the sentences by using as….as; not….as; different….from.
1.Ms. Hoa is………as attractive as……………………………………...Mrs. Lan. (attactive)
2.Her daughter is…………as beautiful as………………………………..her. (beautiful)
3.The dog………is not as dangerous as………………………………………… it looks. (not dangerous)
4.Living in Valencia………is not as expensive as……….......................living in Paris is. (not expensive)
5.Schools in Viet Nam are……different from…………………… schools in the USA. (different)
6.Learning French is………different from………………………….. learning English. (different)
7.These trees……………are the same as…………………………………………….. those. (same)
8.Vios…………is not as luxurious as………………………………………….. Mazda 3. (not luxurious)
9.His appearance is……different from…………………………. what I have expected. (different)
10.His job is……………as important as………………………………………… mine. (important)
Complete the sentences by using ( not ) as.as; the same as, different from.
1. Her daughter (beautiful) is as beautiful as her.
2. That dog (not/dangerous) is not as dangerous as it looks.
3. Schools in Vietnam (different) are different from schools in the USA.
4. These trees (same) are the same as those.
5. His appearance (different) is different from what I have expected
1 has been used
2 was discovered
3 has been widened
4 was finished
5 is situated
6 was built
7 visited
8 was completed
9 was formed
10 was opened
1 has been used
2 was discovered
3 has been widened
4 was finished
5 is situated
6 was built
7 visited
8 was completed
9 was formed
10 was opened
1. Her daughter as beautiful as her
2. That dog is not as dangerous as it looks.
3. School in Viet Nam is different from schools in the USA
4. These trees are the same as those
5. His appearance is different from what I have expected
Hoàn thành câu, sử dụng "as.......as", "not as.....as", "different from...".
1. Her daughter is as beautiful as her. (beautiful)
2. That dog is not as dangerous as it looks. (not dangerous)
3. Schools in Viet Nam are different from schools in the USA. (different)
4. These trees are the same as those. (same)
5. His appearance is different from what I have expected. (different)
I. Combine into one sentence with "too" or "either".
1. They can play tennis. We can play table tennis.
=> they can play tennis and we can, too.
2. He sings love songs very well. His sister sings love songs very well.
=> he sings love songs very well and his sister does, too.
3. I write diary every night. My mother writes diary every night.
=> i write diary every night and my mother does, too.
4. My father doesn't drink beer. My mother doesn't drink beer.
=> my father doesn't drink beer and my mother doesn't, either.
5. She is swimming in the pool. Her children are swimming in the pool.
=> she is swimming in the pool and her children are, too.
6. Hoa ate bread with milk for breakfast. Hoa's uncle ate bread with milk for breakfast.
=> hoa ate bread with milk for breakfast and hoa's uncle did, too.
7. She didn't watch TV last night. Her husband didn't watch TV last night.
=> she didn't watch TV last night and her husband didn't, either.
8. They mustn't stay up late. Their friends mustn't stay up late.
=> they mustn't stay up late and their friends mustn't, either.
9. Milk is good for your health. Fruit juice is good for your health.
=> milk is good for your health and fruit juice is, too.
10. Betty does morning exercise. Betty's aunt does morning exercise.
=> betty does morning exercise and betty's aunt does, too.
II. Complete sentence with too or either.
1. We often go to the library on Sunday afternoon, they does, too.
2. Susan can speak Japanese, Tom can, too.
3. Minh didn't see the train, Nga didn't, either.
4. Hoa will fly to Hong Kong next month, and her mother will, too.
5. THe pineapples aren't ripe. And the durians aren't, either.
6. March is hot, and May is, too.
7. The boys shouldn't smoke cigarettes and the girls shouldn't, either.
8. I don't know how to use a computer and my friends don't, too.
9. She likes eggs, and her brothers does, too.
10. They stayed at home last night, and their children did, too.
III. Supply the correct passive form of the verbs in brackets.
1. This computer ......HAS BEEN USED................. (use) for two years.
2. America ........WAS DISCOVERED.................... (discover) by Christopher Columbus.
3. I think this institution ......HAS BEEN WIDENED .................... (widen) twice since 1999.
4. Sydney Opera House in Australia ........WAS FINISHED..................... (finish) in 1973.
5. My sister is studying law at Viet Nam National University. Ho Chi Minh city now. This university ......IS SITUATED................... (situate) in Thu Hue District.
6. The Great Wall in China ..........WAS BUILT........................ (build) many centuries ago.
7. David and his father ........VISITED......................... (visit) the Temple of Literature last week.
8. The Golden Gate Bridge in San Francisco ..........WAS COMPLETED.................. (complete) in 1937.
9. The University of Cambridge .......WAS FORMED.................... (form) in 1209. It is always considered to be one of the most prestigious universities in the world.
10. BurjKhalifa in Dubai, the highest building in the word, .........WAS OPENED................... (open) in 2010.
III. Supply the correct passive form of the verbs in brackets.
1. This computer ...........has been used............ (use) for two years.
2. America ..............was discovered.............. (discover) by Christopher Columbus.
3. I think this institution .............has been widened............. (widen) twice since 1999.
4. Sydney Opera House in Australia ...............was finished.............. (finish) in 1973.
5. My sister is studying law at Viet Nam National University. Ho Chi Minh city now. This university .............is situated............ (situate) in Thu Hue District.
6. The Great Wall in China .................was built................. (build) many centuries ago.
7. David and his father ................visited................. (visit) the Temple of Literature last week.
8. The Golden Gate Bridge in San Francisco .............was completed............... (complete) in 1937.
9. The University of Cambridge ..............was formed............. (form) in 1209. It is always considered to be one of the most prestigious universities in the world.
10. BurjKhalifa in Dubai, the highest building in the word, ..............was opened.............. (open) in 2010.
Chúc bạn học tốt!
Exercise 8. Complete the sentences by using as ... as; not ... as, different ... from.
1. Ms. Hoa is AS ATTRACTIVE AS Mrs. Lan. (attractive)
2. Her daughter is AS BEAUTIFUL AS her. (beautiful)
3. That dog IS NOT AS DANGEROUS AS it looks. (not dangerous)
4. Living in Valencia IS NOT AS EXPENSIVE AS living in Paris is. (not expensive)
5. Schools in Viet Nam are DIFFERENT FROM schools in the USA. (different)
6. Learning French is AS DIFFICULT AS learning English. (difficult)
7. These trees ARE THE SAME AS those. (same)
8. Vios IS NOT AS LUXURIOUS AS Mazda 3. (not luxurious)
9. His appearance is DIFFERENT FROM what I have expected. (different)
10. His job is AS IMPORTANT AS mine. (important)
Exercise 9. Supply the correct passive form of the verbs in brackets.
1. This computer (use) HAS BEEN USED for two years.
2. America (discover) WAS DISCOVERED by Christopher Columbus.
3. I think this institution (widen) HAS BEEN WIDENED twice since 1999.
4. Sydney Opera House in Australia (finish) WAS FINISHED in 1973.
5. My sister is studying law at Viet Nam National University, Ho Chi Minh City now. This university (situate) IS SITUATED in Thu Duc District.
6. The Great Wall in China (build) WAS BUILT many centuries ago.
7. The Golden Gate Bridge in San Francisco (complete) WAS COMPLETED in 1937.
8. The University of Cambridge (form) WAS FORMED in 1209. It is always considered to be one of the most prestigious universities in the world.
9. BurjKhalifa in Dubai, the highest building in the world, (open) WAS OPENED in 2010.
10. My bike WAS STOLEN (steal) last week and it HASN'T BEEN FOUND ( not, find) yet.
Exercise 8. Complete the sentences by using as ... as; not ... as, different ... from.
1. Ms. Hoa is not attractive as Mrs. Lan. (attractive)
2. Her daughter is as beautiful as her. (beautiful)
3. That dog is not as dangerous as it looks. (not dangerous)
4. Living in Valencia is not expensive as living in Paris is. (not expensive)
5. Schools in Viet Nam are different from schools in the USA. (different)
6. Learning French is different from learning English. (difficult)
7. These trees are not as same those. (same)
8. Vios is not luxurious as Mazda3. (not luxurious)
9. His appearance is different from what I have expected. (different)
10. His job is as important as mine. (important)
Good luck!