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共61小题，约2390字。

　　(冀)Unit4  Look into Science单元测试
　　I. 单项选择。（20分）
　　1. The boy is _____ to reach the apples.
　　A. tall      B. tall enough    C. enough tall    D. enough
　　2. —Can cornstarch dissolve in water?
　　—_____.
　　A. I don't think so          B. No. I think so 
　　C. No. I think not so        D. Yes. I don't think so
　　3. I’ll tell them my theory after I ______ my experiment.
　　A. finish      B. will finish    C. am finishing   D. finished
　　4. After the experiment，the teacher will ask us what the experiment_____.
　　A. has     B. proves      C. say     D. tell
　　5. Brian puts the cardboard on top of the jar and _____.
　　A. turn over it   B. turn it over   C. turn them over   D. turn over them
　　6. I'm not sure ____ you said is true.
　　A. that    B. who    C. which    D. what
　　7. Can you r bedroom ______?
　　A. cleaning   B. to clean   C. cleaned     D. clean
　　8. Are you ready ______ the exam?
　　A. with      B. about     C. of       D. for
　　9. You ____ right, but ____ you are wrong.
　　A. maybe; maybe    B. may be ; may be  
　　C. may be; maybe    D. maybe; may be
　　10. Do you know that water is a ____ ?
　　A. liquid   B. solid      C. thing        D. air
　　11. The river has _______ almost two meters.
　　A. risen        B. grown      C. raised     D. lifted
　　12. _____ a candle burn, you must _____ it.
　　A. Make, lit     B. Making, light       C. To make, light   D. Made, lit
　　13. We can change a solid _____ a liquid.
　　A. to   B. into    C. for    D. on
　　14. There ____ some good news in yesterday's newspaper.
　　A. is   B. are   C. was    D. were
　　15. She has two plates. One is empty, and ____ is full.
　　A. others   B. another   C. other    D. the other
　　16. There ____ a sports meeting in our school next month.
　　A. will have   B.  is going to be  
　　C. is going to have   D. shall be
　　17. _____, he likes to collect birds’ eggs.
　　A. In our surprise  B. With surprise