现代生物科技中，下列处理或操作正确的是(    )

①表明改革是发展社会主义事业的根本动力

②体现了唯物辩证法的革命批判精神的要求

③符合上层建筑适应经济基础状况的客观规律

④符合生产关系要适应生产力发展的客观规律

阅读下面这首宋词，完成后面的题。

昭君怨·咏荷上雨

杨万里

午梦扁舟花底，香满西湖烟水。急雨打篷声，梦初惊。

                                                                         却是池荷跳雨，散了真珠还聚。聚作水银窝，泛青波。

下列有关植物呼吸作用的叙述正确的是（  ）

阅读下列对话, 根据首字母提示用适当的单词完成句子, 使对话完整、通顺。

A: Excuse me, can you tell me 1 s____ about you and your family?

B: No problem.

A: When 2 d____ you come to China?

B: I came here the year before last.  I have been here 3 f____ two years.

A: 4 D____ you like Chinese food?

B: Yes, I like Chinese food very much.  My favorite food is Malatang.  I have

5 e____  it four times this month.

A: 6 D____ your husband live with you?

B: Yes, but he has 7 g____ to Shanghai.  He likes China, too.  He has been

8 t____  many famous places in China.

A: What do you do?

B: I am a teacher.  I’ve 9 w____ in this school for one and a half years.

A: Thank you for 10 t____ me about your things.  

B: You’re welcome.