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问题 单项选择题

《建筑施工升降机安装、使用、拆卸安全技术规程》（JGJ215-2010）：当遇到可能影响施工升降机安全技术性能的自然灾害、发生设备事故或停工（）以上时，应对施工升降机重新组织检查验收

A.30天

B.3个月

C.6个月

D.1年

答案

参考答案：C

填空题

根据情景，在横线上写出一个英语单词的正确形式，使对话通顺。．

小题1: - Have you made the_______ to study abroad?

- Not yet. I wonder whether it is worth so much money.

小题2: -What do you think of the new building?

-_______ with the old one, the new building looks more beautiful.

小题3: -Why were you late yesterday afternoon?

-The bus was so_______ that we couldn't get on it.

小题4: -Our monitor came first in the long jump. She jumped the_______．

-Congratulations to her.

小题5: -I often listen to the song Yesterday Once More.

-So do I．It_______ beautiful.
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单项选择题

（）是一种胁迫激素，它在植物激素调节植物对逆境的适应中显得最为重要。

A．细胞分裂素

B．乙烯

C．茉莉酸甲脂

D．脱落酸
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