Should we share the earth ______ animals?
A. and B. with C. in D. at
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科目:初中英語 來源:牛津譯林版8上Unit 1 Friends 單元 提優(yōu)測(cè)試卷 題型:單選題
Who would you as your best friend?
A. choose B. to choose
C. chose D. choosing
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科目:初中英語 來源:冀教版七年級(jí)英語上冊(cè)單元測(cè)試卷:Unit 5 Family and Home 題型:單選題
—Today is my birthday!
—________
A. Me, too.
B. I know.
C. Happy birthday!
D. OK.
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科目:初中英語 來源:人教版八年級(jí)英語上冊(cè)Unit 10 If you go to the party you 題型:單選題
If he ________ back, please let me know.
A. will come B. comes
C. come D. had come
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科目:初中英語 來源:人教版八年級(jí)英語上冊(cè)Unit 10 If you go to the party you 題型:單選題
I don't know where ________ a holiday.
A. to take B. taking
C. should I take D. can I take
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科目:初中英語 來源:人教版九年級(jí)Unit2 I think that mooncakes are delicious周周清 題型:單選題
(題文)The geography teacher told us that the sun _________ in the east.(考點(diǎn):_______________)
A. has risen B. would rise C. rises D. rose
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科目:初中英語 來源:人教版九年級(jí)Unit2 I think that mooncakes are delicious周周清 題型:單選題
We'll plant trees tomorrow, but I don't know if ______.
A. did Nick join us B. Nick joined us C. will Nick join us D. Nick will join us
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科目:初中英語 來源:外研版七年級(jí)英語上冊(cè)Module 7模塊單元測(cè)試卷 題型:單選題
Jill and Bill______their homework in the afternoon.
A. doesn’t B. doesn’t do
C. don’t D. don’t do
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科目:初中英語 來源:江蘇省蘇州市2018年中考英語專題練習(xí)《閱讀理解》(3) 題型:閱讀單選
The rockets take astronauts and man-made satellites into space. The satellites are used for communication, weather monitoring and research. But how do satellites stay up without falling down?
There are two opposite forces (力量) acting on the satellite. One of them is the force of gravitation (地心引力), which tries to pull the satellite towards the earth. The other force is created by the rotation (旋轉(zhuǎn)) of the satellite around the earth. This force tries to take the satellite away from the earth. With these two forces, the satellite goes round and round. The gravitational pull of the earth (the force which pulls everything towards the ground) is like a rope which keeps the satellite from flying away.
Everything that goes up has to come down. It is only a matter of time before a satellite comes back to the earth. As time goes by, the satellite loses its speed, which makes the gravitational pull stronger than the force pulling it away. This makes the satellite crash (墜落) down to the earth.
1.Which of the following uses of satellites is NOT mentioned?
A. communication
B. monitoring the weather condition
C. doing some research
D. taking pictures
2.The force that pulls the satellite towards the earth is created by ________.
A. the earth
B. the satellite itself
C. the rotation of the satellite
D. the rope
3.Why can’t the satellites fly away?
A. Because of the force from the earth.
B. Because the satellite is too big.
C. Because of the force created by the rotation of the satellite around the earth.
D. Because people on earth have made ropes to tie the satellites tightly.
4.The satellite will finally crashes down to the earth ________.
A. when it flies faster
B. when its speed slows down
C. when people cut the rope
D. when there is no electricity in it
5.Which of the following is TRUE according to the passage?
A. There are four forces acting on the satellite.
B. The force of gravitation makes the satellite go round and round.
C. As time goes by, the satellite will finally fall down.
D. The satellite will stay in space forever.
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