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问题 选择题

Harry ______ Helen with her lessons at this time yesterday. [ ]

A. is helping

B. helps

C. was helping

D. helped

答案

答案：C

完形填空

动词填空 用括号内所给动词的适当形式填空。（本大题共8分，每小题1分）

小题1:They _________ a series of pre-recorded tapes to the language laboratory in the past 2 days. (send)

小题2:Remember that teaching others is ________ yourself. (teach)

小题3:The old man _________ to go to college, but didn’t. (hope)

小题4:He was very sure that sooner or later he ________ passing the driving test. (succeed)

小题5:Hurry up! The boss needs the work ________ tomorrow! (do)

小题6: ---Why not look at page 20 of your English book?

---Ah, here the key is! I wonder why I _______ of this. (not think)

小题7:There’s no one in the lab. Everybody has been seen ________ out. (go)

小题8:He who does not reach the Great Wall ________ a true man. (not be)
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解答题

如图为植物细胞模式图，请据图回答下列问题：

（1）请写出各部分的名称：

[1]______[2]______[3]______

[4]______[5]______[6]______

（2）在显微镜下观察洋葱表皮细胞，最外层是一层透明的薄壁，叫[______]______，起支持和______作用

（3）植物细胞中的叶是绿色的，主要是因为细胞中含有[]______．
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