设计配电装置及选择导体和电器时的最大风速可采用离地( )m高

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问题单项选择题

设计配电装置及选择导体和电器时的最大风速可采用离地( )m高，( )年一遇 10min平均最大风速。

A．10，20

B．10，30

C．12，20

D．12，20

答案

参考答案：B

阅读理解

读一读，判断对(T)错(F) 。

Hi! I am John. Tomorrow is Saturday. I'm going to a bookstore. I want to buy a new Chinese dictionary.

My old dictionary is broken. The bookstore is next to a park. It's far from here. I'm going there by bus.

The bookstore is a white building. It's very beautiful. After buying the dictionary, I'm going to the park. I

like the park. I will have fun there.

( ) 1. Today is Friday.

( ) 2. John is going to a department store tomorrow.

( ) 3. He is going to buy an English dictionary.

( ) 4. The bookstore is not far from here.

( ) 5. He is going to the park after buying the dictionary.

单项选择题

鼻咽纤维血管瘤的好发部位是（）

A.翼腭窝

B.颞下窝

C.咽旁间隙

D.上颌窦内

E.蝶鞍区