下列与生物进化相关的叙述，正确的是[ ] A．进化总是由突变

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问题选择题

下列与生物进化相关的叙述，正确的是[ ]

A．进化总是由突变引起的

B．进化时基因频率总是变化的

C．进化的结果是形成新物种

D．进化改变的是个体而不是种群

答案

答案：B

填空题

根据首字母及汉语提示完成单词，使句子正确、句意通顺。

1. Mary won the first prize in the English competition. She is the p______ (骄傲) of her mother.

2. "Can you give me a d______ (描述) about that thief?" the policeman asked.

3. The Monkey King got a fantastic g______ (金色的) iron bar from the Dragon Palace.

4. The following is her r______ (答复) to his letter.

5. —Have you r______ (喂养) the dog and cleaned its house? —Not yet.

问答题简答题

侵犯财产权的违法行政行为有哪些？