发电机启动升压过程中为什么要监视转子电流和定子电流？

阅读选择。

Here is Ben's wallpaper for his class. It is not finished, but we can still have a quick look at it.

1. Which flag does Ben need? [ ]

A.

B.

C.

D.

2. In the park, we shake hands with a man who we meet for the first time in ____.[ ]

A. New Zealand and Brazil.

B. Brazil and Japan.

C. Japan and New Zealand.

D. Brazil, Japan and New Zealand.

3. In New Zealand, two new friends press their noses together because ____. [ ]

A. the two men meet each other for first time.

B. they are probably greeting in the Maori way.

C. it is the special way of greeting in their country.

D. they want to show their interest and friendliness.

4. While travelling, a Japanese passenger beside you is always smiling with his eyes closed.You may

    think ____. [ ]

A. he is showing politeness to you.

B. he wants to make friends with you.

C. he is feeling very embarrassed.

D. he is thinking about something funny

5. Which title may Ben use? [ ]

A. World Greetings

B. Making Friends

C. Shaking Hands

D. World Meetings

某患者，于吸宫术时，突然出现头晕，血压下降，面色苍白，应首先考虑（）

A.宫颈裂伤

B.人流综合征

C.羊水栓塞

D.子宫穿孔

E.低血糖

甲、乙、丙、丁四人在讨论有关环境保护的问题。甲说：“有的鱼类资源枯竭的地方正是环境遭到破坏的地方。”乙说：“除非某地领导重视环境保护，否则该地环境就会遭到破坏。”丙说：“不存在鱼类资源枯竭的地方，也不存在环境遭到破坏的地方。”丁说：“凡鱼类资源枯竭的地方都不是环境遭到破坏的地方。”
如果甲、乙、丙、丁四人中只有一人说错了，那么以下哪项是真的？（）

A.有些地方的鱼类资源枯竭了。

B.某地环境遭到破坏了。

C.某地领导不重视环境保护。

D.某地领导重视环境保护。

E.只要某地领导重视环境保护，该地环境就不会遭到破坏。

处理后的建筑地基的整体稳定分析可采用圆弧滑动法，其稳定安全系数为（）

A.≥1.20

B.≥1.30

C.≥2.0

D.≥3.0

《房屋市政工程生产安全和质量事故查处督办暂行办法》规定，生产安全和质量较大及以上事故由（）查处督办。

A.省级住房城乡建设行政主管部门

B.住房城乡建设部

C.地区住房城乡建设行政主管部门

D.省级政府主管部门