光伏发电站安装容量小于或等于30MW时,宜采用()。 A.单母线接线 B.单母线分段

题型:单项选择题

问题:

光伏发电站安装容量小于或等于30MW时,宜采用()。

A.单母线接线

B.单母线分段接线

C.双母线接线

D.双母线分段接线

考点:新能源技术太阳能技术综合练习太阳能技术综合练习题库
题型:单项选择题

阅读理解。

     Mike's father is ill. His mother must look after him at home. So she says to her son, "Go to the

hospital, and ask a doctor to come here, Mike."

    "OK,"says the boy. "But where is the hospital?"

    "In the town." Answers his mother.

    Then Mike leaves (离开) his house. He gets to a fork. He doesn't know if he must turn to the left

or right. He stands there. Just then a farmer drives a car and come.

    "How far is the town from here?" asks Mike.

    "Not very far. It's only about ten minutes' walk." answers the farmer.

    "May I go with you?"

    "Certainly."

    "Thank you very much." Mike is happy and gets in the car.

    Several minutes later, the car doesn't get to the town. Mike asks again: "How far is it from here?"

    "Well, sorry young boy, the car is going in the opposite (相反的) direction (方向)."

A. 认真阅读,判断下列句子是否正确,用“T”和“F”表示:

( )1. Mike's father is in the hospital.

( )2. The hospital is in the town.

(     )3. The farmer drives Mike to the hospital.

(     )4. Mike's mother must look after his father at home.

(     )5. Mike stops at the fork.

B. 选择正确的答案:

6. Mike must ask a doctor to come because ____.

A. his father is busy

B. his mother must look after his father

C. he often goes there

7. ____, so he stops at the fork.

A. Mike wants to have a rest

B. Mike doesn't know how to get to the town

C. Mike wants to wait for a car

8. Mike is happy because ____.

A. the farmer takes him to the town

B. he can drive a car

C. his father feels better now

9. What's the meaning of"fork"in this passage?   

A. 叉子

B. 岔路口

C. 十字路口

10. Mike can't go to the town soon because ____.

A. the car is broken

B. the car goes very fast

C. the car is going in the opposite direction

题型:单项选择题

(-3)7÷35

题型:单项选择题

关于服装和肤色的搭配,以下哪组比较合适?()

A、面色偏黄的人穿紫色上衣

B、肤色白皙的人配暖色调

C、皮肤较黑的人配深红色

D、面色红润的人配墨绿色上衣

题型:单项选择题

限制器包括哪些限制?

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结构功能主义的思想渊源。

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