低压一次设备，是指供电系统中（）以下的电气设备。A.1500V B.1000V C.

单词填空。

1. We are very ______ (感激的) for his help.

2. His e-friend says he lives with his parents in a ______ (木头) house in Thailand.

3. There are lots of ______ (老鼠) in the old mall's house.

4. Fanny lives on the ______ (第十二) floor,so she uses a lift to go up and down every

   day.

5. Anyone can do nothing ______ (没有) any help.

6. He likes living in a ______ (安静的) place.

7. My cousin is crazy about ______ (收集) stamps from different countries.

8. Sandy's sister ______ (刷) her cat's fur once a day.

9. The students are ______ (兴奋的) because they are going summer camp.

10. Tom often makes careless mistakes while his brother Jack does his homework _____

    (认真).

旋颈诱发试验阳性的颈椎病类型是（）。

A.局部型

B.痹痛型

C.瘫痪型

D.眩晕型

E.食管压迫型

在输气站进行流程切换时，应注意保持原流程（）。

A.气质不变

B.设备阀门的开关状态

C.输送参数的稳定

D.流向不变

根据《合伙企业法》，在无约定的情况下，哪些行为不违法（）。

A、有限合伙人同本有限合伙企业进行交易；

B、有限合伙人自营与本有限合伙企业相竞争的业务；

C、有限合伙人同他人合作经营与本有限合伙企业相竞争的业务；

D、有限合伙人将其在有限合伙企业中的财产份额出质。

测试油介损时，所用介损油杯注油前应对空杯进行（）倍工作电压的耐压试验。

A.1

B.1.5

C.2.5

D.3