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19 tháng 11 2021

B

19 tháng 11 2021

C

19 tháng 11 2021

C

18 tháng 11 2021

Đặt a=3√16x-24; b=3√1-3x; c=3√19x-25
Ta có: b3 +c3=1-3x+19x-25=a3
Ta lại có: a=b+c
=>a3=b3 +c3+3bc(b+c)
0=3bc(b+c)
0=bc(b+c)
=> b=0 hoặc c=0 hoặc b+c=0sau đó tính tiếp :v

19 tháng 11 2021

2. 

- Let's do judo

- What about doing judo?

3. 

- Let's listen to music

- Why don't we listen to music?

Weo thiệt luôn để tui hỏi anh tui nhó kết bạn đã men

20 tháng 11 2021

uh cám ơn, 0975091286, zalo mik nha!!!!

7.Read the following text and decide which answer best fits each numbered blank. There is safety in numbers, and simply getting (21)………….your neighbors can be a big step toward safeguarding your personal safety. There should (22)………..hints to tell is some neighbors are nice, (23)……are not well trifled with, and some would be dangerous to you. Always stay (24)………….with your neighborhood.But that’s not enough. Be nice to your neighbors (25)…………..if you want them to be nice with you. No matter...
Đọc tiếp

7.Read the following text and decide which answer best fits each numbered blank.
There is safety in numbers, and simply getting (21)………….your neighbors can be a big step toward safeguarding your personal safety. There should (22)………..hints to tell is some neighbors are nice, (23)……are not well trifled with, and some would be dangerous to you. Always stay (24)………….with your neighborhood.
But that’s not enough. Be nice to your neighbors (25)…………..if you want them to be nice with you. No matter (26)…………..bad the neighborhood, getting your neighbors to band together and watch (27)…………other’s backs can be a good way for everyone to stay safer.
Banding together with neighbors can be (28)…………win-win for everyone involved. From keeping tabs (29)…………..one another’s kids to watching one another’s home during the day, simply having the support (30)…………the people around you can be extremely valuable.

0
19 tháng 11 2021

1 driving

2 spent

3 hasn't ridden

4 are grazing

5 have been

6 had lived

7 doesn't excite

8 to visit

24 tháng 11 2021

okkkkkkk

22 tháng 12 2021

bc kb cho 

@congtybc

I. Chọn từ thích hợp điền vào chỗ trống (2,5đ)1. What’s his name?...........is Kien.a. my nameb. her namec. his named. She2. This is Lan . …………… is ten years old.a. Heb. Theyc. Shed. It3. Mai and Nga……………in the classroom.a. isb. Amc. ared. a and b4. ……..do you live?a. whereb. Howc. Whatd. who5. Our mother ……………in the country.a. liveb. livesc. ared. be6. That is her father ……….is forty years old.a. Heb. Theyc. Shed. It7. Are they students?a. yes, they are notb. Yes, they arec. No,...
Đọc tiếp

I. Chọn từ thích hợp điền vào chỗ trống (2,5đ)

1. What’s his name?...........is Kien.

a. my name

b. her name

c. his name

d. She

2. This is Lan . …………… is ten years old.

a. He

b. They

c. She

d. It

3. Mai and Nga……………in the classroom.

a. is

b. Am

c. are

d. a and b

4. ……..do you live?

a. where

b. How

c. What

d. who

5. Our mother ……………in the country.

a. live

b. lives

c. are

d. be

6. That is her father ……….is forty years old.

a. He

b. They

c. She

d. It

7. Are they students?

a. yes, they are not

b. Yes, they are

c. No, he is not

d. No, they are

8. How many………..are there?

a. classroom

b. classrooms

c. a classroom

d. a and c

9 ………..is a cloc’k in my livingroom.

a. These

b. That

c. There

d. They

10. We live ………………65 Ham Nghi Street.

a. in

b. at

c. on

d. the

II. Tìm câu trả lời cho các câu hỏi ở cột A (2đ)

 

 

 

A

B

1. Is this your pen?

2. How are you?

3. Where do you live?

4. How old are you?

5. What’s that?

6. What’s your name?

7. How do you spell your name?

8. What do you do?

9. How many people are there?

a. It’s a book

b. I’m a student.

c. Yes, this is my pen.

d. There are four.

e. In Da Nang City

f. Fine, thanks.

g .I’m twelve years old.

h. My name’s Loan.

i. N-G-A

      

 

         1-…C…2-……..3-……4-……..5-………6-……….7-……….8-……..9-………..

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

III. Đọc kỹ đoạn văn rồi trả lời các câu hỏi (2đ)

My name is Mai. I 'm twelve years old. There are five people in my family: my father, my mother, my brother, my sister and me. My father is forty five years old. He's a doctor. And my mother is forty. She is a doctor, too. My brother is Tam, he is fifteen years old. My sister is Hoa. She is seven years old. They're both students.

IV. Sắp xếp thành câu hoàn chỉnh (2đ)

1. How many people are there in Mai's family?

……………………………………………

2. How old is her father?

…………………………………………....

3. What does her father do?

……………………………………………

4. How old is her mother?

…………………………………………...

5. What does her mother do?

…………………………………………

6.. What’s her brother’s name?

…………………………………………

7.. How old is her brother?

…………………………………………

8. Is he a student?

…………………………………………

1. and/Hung/is/am/Lan/Mr./this/I. …………………………………………………………

 

2. evening/are/Giang/you/good/how/Miss/?………………………………………………..

 

3. name/you/where/is/do/what/and/live/your/?……………………………………………..

 

4. we/street/on/live/Nguyen Trai/…….………………………………………………..........

 

5
18 tháng 11 2021

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