下列各项中影响小麦生长的生物成分是：( ) A．水； B．阳

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问题选择题

下列各项中影响小麦生长的生物成分是：( )

A．水；

B．阳光；

C．田鼠；

D．温度。

答案

答案：C

解：环境中影响生物生活的各种因素叫环境因素，分为非生物因素和生物因素．非生物因素包括：光、温度、水、空气、土壤等．生物因素是指环境中影响某种生物个体生活的其他所有生物，包括同种和不同种的生物个体．水、阳光、温度是非生物因素；田鼠是生物因素．

点评：解答此类题目的关键是熟知环境因素分为非生物因素和生物因素．

填空题

1.Look!All the people are looking in the d of the corner.What’s happening there?

2.How f it is outside.You see,everything is covered with ice.

3.There was no a for the police but to set the young man free,for they didn’t have enough

evidence although they were sure it was he who committed the murder.

4.Can you see the bottle f on the river?There seems to be a piece of paper in it.

5.Terry can’t p in the match because he has hurt his foot.

6.Mr.Green worked so hard that (最后) he made himself ill.

7.After the air crash,few people on board (幸存) at last,which brought sadness to many families.

8.Mother (测量) me to see what size of dress I should have.

9.Study the facts again and maybe you’ll draw a different (结论).

10.Anyone who wants to get (更进一步的) information can get in touch with us at any time.

选择题

一个雨后的晚上，一刚放晴，地面虽已干，但仍留有不少水潭，为了不踩在水潭里，下面的说法正确的是　 [ ]

A．迎着月光走时，地面上发亮处是水潭　

B．迎着月光走时，地面上暗处是水潭　

C．背着月光走时，地面上发亮处是水潭　

D．无论是迎着月光走还是背着月光走，地面上发亮处是水潭