- Giống nhau: Đều có rễ, thân, lá

- Khác nhau:

+) Cây rêu: Có rễ giả, chưa có mạch dẫn

+) Cây dương xỉ: Có rễ thật, có mạch dẫn

* So với cây rêu thì cây dương xỉ có cấu tạo phức tạp hơn vì đã có rễ thật và đã có mạch dẫn.

=>Nhằm mục đích làm cho đất thoáng, khi hạt gieo xuống có đủ không khí để nảy mầm tốt.

Dishwasher is a machine that washes dishes.

1.faces places horses houses

2.seat sugar sight sand

3.failed reached solved played

4.sight flight village tribes

5.seat great seaside beach

6.stamps trains hotels caves

7.heritage cottage luggage cage

I

1) Look! The baby is sleeping.

2) Hoa sometimes plays tennis.

3) What is he going to do next Sunday? He is going to travel to the country.

4) He didn't come to the meeting last week.

5) The girl played the piano last night.

6) There was nobody there when I arrived yesterday.

1. It is an awful film. It is the worst film that I ever seen

2 . After three days of rain. I'm glad the sun shines again today.

3. I know from my experience that to gain A good knowledge of a foreign language, one must work hard at it everyday.

4. I repainted the walls. They look great! The room is much lighter now

Volleyball is my favourite sport. It is a team game. It has two teams and 12 players in the yard. A match lasts for three or five half. A match has three times to consult. It does not need a lot of support equipment such as swimming, skateboarding or baseball. I love it very much. And you?

1. I'd like a sandwich and some rice, please.

2. There isn't any milk in the fridge.

3. He wants an apple and a glass of water.

4. Are there any chocolates in the box?

5. Would you like some coffee?

6. There are some carrots but there isn't any meat in the fridge.

7. We need some beef and a can of peas.

8. I need an egg and some cooking oil to make an omelette.

1. Air pollution can make people unhealthy.

2. The carth's climate in becoming warmer.

3. Of the there rooms, the biggest one in mine.

4. I like drinking fruite juice, especially lemonade.

5. There is a variety of fruits in Vietnam.

6. Environmental pollution is being considered to be a great global problem.

8. I understand perfectly what you are saying.

9. My grandparents live healthy at the age of 80.

10. Pollution is a problem in many big cities.

Libraries form a vital part of man's system read and education. They make available - through books and a numbers of other media- knowledge that has been accumulated through the ages. People in all walks of life including students teachers businessmen government officials and scientists use library resources in their work. In addition large variety of people turn to libraries to satisfy a desire for knowledge. All in all the library ranks communication man's most useful service institutions.