em sẽ làm gì để bảo quản tốt hạt giống
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1.We ___didn't have____ (not/ have) a holiday last year.
2.My friend is a writer. He _writes ______ (write) many books.
3.I ____played___ (play) tennis yesterday afternoon.
4.What time _did you go______ (you/ go) to bed last night?
5.Kathy travels a lot. She ___visited ____ (visit) many countries.
6.You ever ___Have you ever met____ (meet) a famous person?
7.The weather ___wasn;t ____ (not/ be) very good yesterday.
8.My hair is wet. I just _have just washed _____ (wash it.
9.The town is very different now. It ___changes____ (change) a lot.
I10. did German at school, but I __am forgetting_____ (forget) most of it now.
1.We __didn’t have _____ (not/ have) a holiday last year.
2.My friend is a writer. He __has written _____ (write) many books.
3.I __played_____ (play) tennis yesterday afternoon.
4.What time ___did you go____ (you/ go) to bed last night?
5.Kathy travels a lot. She __has visited _____ (visit) many countries.
6.Have You ever __met_____ (meet) a famous person?
7.The weather _wasn’t______ (not/ be) very good yesterday.
8.My hair is wet. I just _have washed ______ (wash it.
9.The town is very different now. It _has changed ______ (change) a lot.
I10. did German at school, but I _______ (forget) most of it now.
Put the verbs in brackets into the present perfect tense.
1. I have just finished my homework.
2. They have lived in the countryside for 15 years.
3. Have you ever been to Hue Citadel ?
4. I haven't seen her for ages.
5. This the highest hotel that i have ever seen.
6. A lot of people have become rich recently.
7. I haven't understood his lesson so far.
8. I have played the guitar since I was a boy.
9. We haven't seen him since we left school.
10. They have already prepared the meal.
~~~Hok chắc nhưng chắc zậy :)))
1. I ____stayed___ (stay) at home all weekend.
2. Angela ____went ___ (go) to the cinema last night.
3. My friends _____had__ (have) a great time in Nha Trang last year.
4. My vacation in Hue ___was____ (be) wonderful.
5. Last summer I ____visited___ (visit) Ngoc Son Temple in Ha Noi.
6. My parents ___were____ (be) very tired after the trip.
7. I ____bought___ (buy) a lot of gifts for my little sister.
8. Lan and Mai ___saw____ (see) sharks, dolphins and turtles at Tri Nguyen aquarium.
9. Trung __ate_____ (eat) chicken and rice for dinner.
10. They _______ (talk) about their holiday in Hoi An.
Tấm bê tông nặng:1+2+6=9 tạ
tỉ số phần trăm giữa xi măng và bê tông là:1*100/9~11,1%
tỉ số phần trăm của cát và bê tông là:2*100/9~22,2%
tỉ số phần trăm của sỏi và bê tông là:6*100/9~66,6%
1. I didn't go to school yesterday because I had a bad cold.
2. Although Lan can sing very well, she can't play the piano.
3. If we use the car all the time, we will make the air dirty.
4. The most popular drink in London is tea.
5. We might go to the moon for our summer holidays in 2050.
6. In the future, robots might not do all our housework.
7. I will be able to awake at night if I drink too much coffee.
8. If you sit on that chair, it will break.
9. I have had this computer since 2010.
10. How long have you learnt English.
11. I have met Karen for four years.
12. Tokyo is the most expensive city in the world.
13.Don't be late !
14. My dream might not come true.
1.Because I had a bad cold ,I didn't go to school yesterday.
2,Although Lan can sing very well , She can't play the piano.
3 .If we use the car all the time ,we will make the air dirty.
4.Most popular drink in London is tea.
5.We might go to the moon for our summer holidays in 2050.
6.In the future ,The robot will probably do all our homework.
7. Drinking too much coffee able make me awake at night.
8.If you sit on that chair, you will fall.
9. I bought this comuter since 2010s.
10.How long did you learn English?
11.I've meet Karen for 4 years.
12.Tokyo is the most expensive city of the world.
13. Don't be late.
14.My dream might not come true
1. Is the environment polluted today?
Yes,it is........................................................................................................................................
2. Where should we put the garbage?
We should put the garbage in a certain place or in the recycling bins........................................................................................................................................
3. What should we do to keep the water unpolluted?
we should not throw trash into the rivers and lakes to keep the water not polluted........................................................................................................................................
4. Should we throw trash into the rivers and lakes to keep the water not polluted?
…No,we shouldn't…………………………………………………………………………………….
The environment is seriously polluted today. To protect the environment, we should reduce the plas bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live a healthier life.
1. Is the environment polluted today?
...Yes, it is.....................................................................................................................................
2. Where should we put the garbage?
We should put the garbage in a certain place or in the recycling bins......................................................................................................................................
3. What should we do to keep the water unpolluted?
....We should not throw trash into the rivers and lakes to keep the water not polluted.....................................................................................................................................
4. Should we throw trash into the rivers and lakes to keep the water not polluted?
……No, we shouldn't ………………………………………………………………………………….
People need to breathe. If they don’t breathe, they will die. But how (1) ___clean_____is the air people breathe? If they breathe dirty air, they will have (2) ______breathing___________ problems. Plants and animals (3) _______need_________ clean air too. A lot of the things in our lives create (4) ___harmful___________ gases and make the air dirty, cars, (5) _____motorbikes_________, and factories. Dirty air is called “polluted air”. Air (6) ____polution____________ can also make our Earth warmer.
III. Complete the passage with the words given. (1.5 ms)
harmful breathing pollution motorbikes need clean |
People need to breathe. If they don’t breathe, they will die. But how (1) ___ clean_____is the air people breathe? If they breathe dirty air, they will have (2) _____breathing ____________ problems. Plants and animals (3) _______ need _________ clean air too. A lot of the things in our lives create (4) __harmful___ _________ gases and make the air dirty, cars, (5) _____motorbikes_________, and factories. Dirty air is called “polluted air”. Air (6) ______ pollution__________ can also make our Earth warmer.
Các điều kiện đó là:
– Để ở nhiệt độ thích hợp, tránh ánh nắng trực tiếp
– Chọn ra những hạt giống tốt, bỏ những hạt lép đi
– Bào quản trong những dụng cụ chuyên dụng…