冀教版九年级上册Unit 5 Look into Science Lesson 27 配套练习（含答案）

Unit 5 Look into Science
Lesson 27　Planet Danny
Ⅰ. 根据句意及所给提示填空。
1. The car is __________（当然）not Tom’s.
2. Nature is full of __________ （奥秘）waiting for us to discover.
3. The D Ninth Festival is on the ninth day of the ninth month in the Chinese calendar. It’s a festival for old people.
4. The speech about space is __________ （值得的）attending. Please tell John not to be late.
5. The air pollution will be more serious __________ （除非）each of us does something helpful to cut it down.
Ⅱ. 单项选择。
6.—Who does the dictionary _____
—Wei Fang. I saw her have one like this.
A. belong to B. lead to C. stick to D. turn to
7. If you _____ the window, you will see the garden.
A. look up B. look into C. look through D. look at
8. _____ we are in Grade 9, it’s necessary for us to go to bed early and get up early.
A. Even if B. As if C. So that D. As though
9.—It is impossible to finish the difficult task in such a short time on my own_____ both of us work together.
—No problem. Let’s start!
A. if B. but C. because D. unless
10. The boys_____ are playing football are from Class One.
A. which B. who C. whose D. whom
Ⅲ. 连词成句。
11. you, a, telescope, did, get,
___________________________________
12. trying to do, what, are, at night, you
___________________________________
13. something, is, amazing, solar system, there, the, in
__________________________________________.
14. find, turn around, and, it, you’ll
___________________________________.
15. is, it, thing, an, what, interesting
___________________________________!
Ⅳ.完形填空。
What do you know about Mars What does it look like
Mars is the fourth planet from the sun in our solar system and is 16_____ after Mars, the Roman god of war.Its diameter（直径）is 53% as 17 _____ as that of the earth. Mars goes around the 18 _____ at a distance of about 228 million kilometers.You can tell 19 _____ planet is Mars because it is bright
red in the night sky. It 20 _____ like a red and orange ball. It’s very beautiful.But during spring and summer, the surface of Mars is covered 21 _____ strong storms.The gravity（重力）on the surface of Mars is about 22 _____ as strong as it is on earth. So a person who weighs 90 kilos on earth weighs only 36 kilos on Mars.The temperature on Mars is 23 _____ -138℃ and 28℃. The air has only about 0.13% oxygen.
It takes a spaceship about eight months to 24 _____ Mars from the earth when the two planets are closest to each other.25 _____ are still searching for more information about Mars.
16. A. found B. named C. discovered D. missed
17. A. high B. deep C. wide D. thick
18. A. sun B. earth C. moon D. planet
19. A. that B. which C. what D. where
20. A. smells B. sounds C. looks D. tastes
21. A. by B. in C. of D. for
22. A. two-fifth B. two-fifths C. two fifth D. second fifths
23. A. among B. during C. between D. both
24. A. reach B. get C. arrive D. attend
25. A. Students B. Teachers C. Scientists D. Workers
参考答案：
一、certainly；mysteries；Double；worth；unless
二、ACADB
三、Did you get a telescope；What are you trying to do at night；There is something amazing in the solar system；Turn around and you'll find it；What an interesting thing it is
四、BCABC ABCAC