种群环境的容量决定于( )。A．温度、光、水、营养、空间 B．

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问题单项选择题

种群环境的容量决定于( )。

A．温度、光、水、营养、空间

B．非生物环境、生物特性、遗传特性

C．食性、行为、适应能力

D．温度、光、水、行为、适应能力

答案

参考答案：B

阅读理解

阅读短文，判断正(T)误(F)。

My best friend is Ann. She is a girl. She has curly hair. She is from America. She has a yellow schoolbag.

What's in it? Two English books, three story-books and a math book. She likes English very much. She likes

music, too.

( ) 1. Ann has curly hair.

( ) 2. Ann has a red schoolbag.

( ) 3. There are ten English books in her schoolbag.

( ) 4. Ann likes music.

( ) 5. Ann is from Canada.

单项选择题

可引起疾病暴发的是

A．接触传播
B．诊疗手术传播
C．水和食物传播
D．各种制剂传播
E．虫媒传播