在低压供电系统中,TN-C系统中PEN线()。 A.严禁接入开关设备 B.PE线与N

题型:单项选择题

问题:

在低压供电系统中,TN-C系统中PEN线()。

A.严禁接入开关设备

B.PE线与N线要分开

C.PE线与N线要严禁共用

D.PE线与N线要严格分开

考点:电气工程师(供配电)35kV及以下导体、电缆及架空线路的设计选择35kV及以下导体、电缆及架空线路的设计选择题库
题型:单项选择题

根据各题所给首字母的提示,写出单词的适当形式,使短文通顺。

     Once there was a poor old woman. She lived by herself in a little house in a village. She didn't have

(1) m________ money but she was very kind.

     One day a young man named Bill came to her (2) d________. He was very thin. He was very hungry

and  (3) a________ the old woman for help. The old woman said, "Come in and have dinner with me, but

my dinner is only some potatoes." They had (4) d________ together. After dinner, the old woman told Bill

to (5) t________ some potatoes with him. He thanked her and left.

     Ten years later, Bill came (6) b________ to the old woman's door again and gave her a bag of

(7) m________. She was surprised. Bill said, "Ten years ago you gave me some (8) p________. I grew

some potato plants. From those plants, I grew some more plants. Now I'm a (9) r________ farmer. But

I never forget how (10) k________ you were to me."

1.______ 2.______ 3.______ 4.______ 5.______

6.______ 7.______ 8.______ 9.______ 10.______

题型:单项选择题

女性,34岁,乏力、食欲减退、咳嗽1个月,低热、盗汗1周,胸片示右肺上叶尖段片状模糊阴影伴空洞形成。体检未发现阳性体征。

诊断可能性最大的是()

A.肺炎球菌肺炎

B.慢性纤维空洞型肺结核

C.支气管肺癌

D.肺脓肿

E.浸润型肺结核

题型:单项选择题

叶腊石

题型:单项选择题

税收强制执行措施的实施方式包括()。

A、扣缴税款

B、拍卖商品、货物、财产

C、冻结存款

D、变卖商品、货物、财产

E、扣押商品、货物、财产

题型:单项选择题

短日照作物

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