问题 填空题

生物能排出身体内产生的______.

答案

生物的特征主要有:①生物的生活需要营养;②生物能进行呼吸;③生物能排出身体内产生的废物;④生物能对外界刺激作出反应;⑤生物能生长和繁殖;⑥生物都有遗传和变异的特性;⑦除病毒以外,生物都是由细胞构成的.生物在生活过程中,体内会不断产生多种废物,并且能将废物排出体外;如人出汗、呼出气体和排尿;植物落叶等.
故答案为:废物.

阅读理解

阅读理解。

    Once upon a time, there lived a rich man. He had a servant (仆人). He and the servant loved wine (酒)

and good food very much. Each time the rich man left his home, the servant would drink the wine and

eat up all the nice food in the house. The rich man knew what his servant did, but he had never caught

his servant doing that.

    One morning, when he left home, he said to the servant, "Here are two bottles of poison (毒药) and

some nice food in the house. You must take care of them." With these words, he went out.

    But the servant knew what the rich man had said was untrue (假的), after the rich man was away

from his home, he enjoyed a nice meal. Because he drank too much, he was drunk and fell to the ground.

When the rich man came back, he couldn't find his food and his wine. He became very angry. He woke

(叫醒) the servant up. But the servant told his story very well. He said a cat had eaten up everything. He

was afraid to be punished (被惩罚), so he drank the poison to kill himself.

1. In the story, _____ liked wine and good food very much. [ ]

A. the rich man

B. the servant

C. both A and B

D. neither A and B

2. The rich man knew that it was _____ that drank the wine and ate up all the nice food.[ ]

A. the cat

B. himself

C. nobody

D. the servant

3. The rich man told the servant that there was poison in the two bottles, because _____. [ ]

A. there was in fact poison in the bottles

B. he did not want the servant to drink his wine

C. he wanted to kill the cat

D. he wanted to kill the servant

4. In fact _____ ate all the nice food and drank the wine.[ ]

A. the servant

B. cat

C. the rich man

D. nobody

5. From the story, we know that the servant is very _____. [ ]

A. lazy

B. bad

C. clever

D. kind

单项选择题