0  356724  356732  356738  356742  356748  356750  356754  356760  356762  356768  356774  356778  356780  356784  356790  356792  356798  356802  356804  356808  356810  356814  356816  356818  356819  356820  356822  356823  356824  356826  356828  356832  356834  356838  356840  356844  356850  356852  356858  356862  356864  356868  356874  356880  356882  356888  356892  356894  356900  356904  356910  356918  447090 

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

试题详情

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

试题详情

20.____ is the case with humans, animals also love their babies.

A. Which              B. When              C. What             D. As

试题详情

19. I often think of my childhood, during ________I lived on my uncle’s farm.

A. which              B. when               C. where            D. who

试题详情

18. The Beatles, ______ many of you are old enough to remember, came from Liverpool.

 A. what              B. that             C. how           D. as

试题详情

17. ---Where did you get to know her?

---It was on the farm we worked.

A. that                B. there               C. which             D. where

试题详情

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

试题详情

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

试题详情

14. A fast restaurant is the place _______, just as the name suggests, eating is performed quickly.

A. which              B. where              C. there             D. what

试题详情

13. Taiwan is part of China, _______ is known to all the world.

A. what               B. as                 C. that              D. such

试题详情


同步练习册答案