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单选
The United States is ________ the south of Canada and ________ the east of Japan.
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A ．to; in |
B ．on; to |
C ．in; beside |
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根据短文内容，完成表格，每空一词
The polar bear is a very big white bear．We call it the polar bear because it lives inside the Arctic Circle near the North Pole．There are no polar bears at the South Pole．
The polar bear lives in the snow and ice．At the North Pole there is only snow, ice and water．There is not any land．You can't see the polar bear in the snow because its coat is yellow-white．It has a very warm coat because the weather is cold in the north of the Arctic Circle．This bear is three metres long, and it weighs 450 kilos．It can stand up on its back legs because it has very wide feet．It can use its front legs like arms．The polar bear can swim very well．It can swim 120 kilometers in the water．It catches fish and sea animals for food．It goes into the sea when it is afraid．People like to kill the polar bear for its beautiful white coat．The government of Canada, the United States, and Russia say that no one can kill polar bears now．They do not want all of these animals to die．
1．________ 2．________ 3．________ 4．________ 5．________
阅读理解
Canada Geese are large blue and white birds. When autumn arrives, they have to fly south where the weather is warmer. The winters are so cold in Canada that the birds die if they stay there.
Last spring, Bill Lishman found sixteen young Canada Geese on his farm. They had lost their parents. Bill thought, “These young birds won't know what to do in the autumn.”
Bill had a small plane and he decided to teach the birds to follow him. All through the summer, he went on short trips in his plane and the young geese flew after him.
When the cold weather arrived in autumn, Bill flew to Virginia in the United States, 600 miles（英里） south of his home in Canada. The geese followed him all the way. Bill left the geese in Virginia and he returned home.
This spring, Bill was waiting for the birds to come back. They didn't arrive, so Bill flew to Virginia to get them. He looked for them for two weeks but he couldn't find them.
When he arrived back home, Bill found the geese waiting for him. They had found their way home without him!
1．Canada Geese have to fly south ________.
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2．The young birds ________ so they could follow Bill to Virginia.
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A．were well trained
B．went on trips in Bill's plane
C．liked Bill
D．lost their parents
3．Bill took the birds to Virginia because ________.
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A．it's warmer there
B．it's 600 miles away from his home
C．he wanted the birds to fly after him
D．it's a beautiful place in the United States
4．The birds returned to Bill's home
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5．From the passage we can know that Bill ________.
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A．likes the birds very much
B．is an American bird-lover
C．stayed in Virginia with the birds
D．taught the birds to fly
查看习题详情和答案>>A recent research shows that physical activity(体育活动) may help students do better in their classes. The research comes because educators in some countries are reducing time for activities like P.E. class.
Researchers go over the results of fourteen studies. Twelve were from the United States, one from Canada and one from South Africa. The studies appeared between 2009 and 2013. They included more than 55,000 children, aged six to eighteen.
Thomas Singh, one of the researchers, says the studies showed a relationship between physical activity and scores on subjects such as math, English and reading. Ms. Singh offers some possible explanations (解释):
“ There are, first, physiological (生理的) explanations, like more blood flow, and so more oxygen (氧气) to the brain. Being physically active means there are more hormones（ 荷尔蒙） produced like endorphins ( 脑内啡). And endorphins make your stress level lower and your mood improved, which means you will perform better in class. Also, students who take part in organized sports learn rules and how to follow them. This could improve their classroom behavior and help them know what they should do.
All in all, the finding tells us that physically active kids are more likely to do better in school. Ms. Singh says schools should consider the finding before they cut physical education programs.
【小题1】What led the researchers to do the studies?
| A．Schools’cutting physical activity. |
| B．Their interest in physical activity. |
| C．The tests including about 55,000 children. |
| D．Kids’unsatisfying schooling performance. |
| A．14. | B．12 | C．2. | D．3. |
| A．Getting more blood flow. |
| B．Better classroom behavior. |
| C．Feeling relaxed and refreshed. |
| D．Greater ability to organize activities. |