选择题：Which of the following plays a key role in body growth according to the text?

题目内容：

Which of the following plays a key role in body growth according to the text？

A．Genetic modification.

B．Natural environment.

C．Living standards.

D．Daily exercise.

参考答案：

能直接转变生成dUDP的化合物是

能直接转变生成dUDP的化合物是A．UTP B．UDPC．UMP D．IMPE．dUMP

分类：习题答案题型：选择题

Text 3In the early 1960s Wilt Chamberlain was one of only three players in the National Basketball As

分类：习题答案题型：选择题

［A］ because ［B］ made ［C］ instead ［D］ learnt

分类：习题答案题型：选择题

血中Hb所能结合的氧量是A氧分压 B．氧含量C氧容量 D．氧和Hb的亲和力E．氧饱和度

分类：习题答案题型：选择题

Directions:Write an essay of 160-200 words based on the following drawing. In your essay, you should1

分类：习题答案题型：选择题