2.
下图表示某动物精子形成过程中不同时期的细胞,其正确的排列顺序应为
A.④①③⑤② B.④③①⑤② C.①④③⑤② D.①④⑤③②
1.与动物细胞有丝分裂相比较,减数分裂特有的现象是
A.着丝点的分裂 B.染色体的缩短变粗
C.同源染色体的分离 D.染色体的复制
20.____ is the case with humans, animals also love their babies.
A. Which B. When C. What D. As
19. I often think of my childhood, during ________I lived on my uncle’s farm.
A. which B. when C. where D. who
18. The Beatles, ______ many of you are old enough to remember, came from Liverpool.
A. what B. that C. how D. as
17. ---Where did you get to know her?
---It was on the farm we worked.
A. that B. there C. which D. where
16. After graduation she reached a point in her career she heeded to decide what to do.
A. that B. what C. which D. where
15. The old farmer has one son and two daughters, ______ are kind to him,______ makes him sad.
A. neither of them; which B. all of whom; which
C. none of them; it D. none of whom; which
14. A fast restaurant is the place _______, just as the name suggests, eating is performed quickly.
A. which B. where C. there D. what
13. Taiwan is part of China, _______ is known to all the world.
A. what B. as C. that D. such
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