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1. Did you see the accident ______ this morning? (happen)
2. You should get a chair ______on. (sit)
3. There are so many children ______ (play) in the park on Sundays.
4. It's hot. You'd better ______ both the windows and the doors. (open)
5. It's not easy ______ fish with your hands only.(catch)
6. Our teacher asked us to ______ page 16. (turn)
7. You must ______ to the teacher carefully in class. (listen)
8. He felt ______ (worry) about his son at that time.
9. He found a number of people already ______ (work) in the workplace.
10. Many children trust animals because they know ______ (keep) a secret.
2. You should get a chair on. (sit)
3. There are so many children _________ (play) in the park on Sundays.
4. It's hot. You'd better both the windows and the doors. (open)
5. It's not easy fish with your hands only. (catch)
6. Our teacher asked us to page 16. (turn)
7. You must to the teacher carefully in class. (listen)
8. He felt _________ (worry) about his son at that time.
9. He found a number of people already _________ (work) in the workplace.
10. Many children trust animals because they know how _________ (keep) a secret.
2. You should get a chair________ on.(sit)
3. There are so many children ________ (play) in the park on Sundays.
4. It's hot. You'd better________ both the windows and the doors.(open)
5. It's not easy________ fish with your hands only.(catch)
6. Our teacher asked us________ to page 16.(turn)
7. You must________ to the teacher carefully in class.(listen)
8. He felt ________ (worry) about his son at that time.
9. He found a number of people already ________ (work) in the workplace.
10. Many children trust animals because they know ________ (keep) a secret.
Skin-diving(潜水) is a new sport today. This sport takes you to a wonderful new world. It’s like a visit to the moon! When you’re under the water, it’s easy for you to climb big rocks(岩石) because you aren’t heavy any more.
Everything
is blue and green under the water. During the day, there’s enough light（光）. When fish swim nearby, you can catch them with your
hands.
When you have tanks of air(氧气罐) on your back, you can stay in deep water for a long time. But you must be careful, when you dive in deep water.
It’s the most
interesting part of this sport to catch fish. There are most uses for
skin-diving, too. You can clean ships
without taking them out of the water. You can get many things from the deep
sea.
Now you see that skin-diving is both useful and interesting.
1. Skin-diving can take you to ___________.
A. the moon B. be in danger C. mountains D. the deep sea
2.You can climb big rocks under water because _________.
A. you are stronger B. the fish nearby help you
C. you aren’t as heavy as on the land(陆地) D. there is a lot of light
3. Under water, a skin-diver _________ in the day-time.
A. can see anything clearly B. can’t see anything clearly
C. can see nothing D. can see only fishes
4.With a tank of air on your back, you can _________.
A. catch fish very easily B. stay under water for a long time
C. be in safe place D. have more fun
5. Which of the following is NOT true?
A. Skin-diving is a new sport
B. Skin-diving is like visiting the moon
C. The only use of skin-diving is to have more fun.
D. Skin-diving is both interesting and useful
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