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问题 单项选择题

水文纵断面图绘制时，纵坐标为高程，在其比例尺的左边注明采用的基面名称，横坐标为（）。

A、沿河宽水平距离

B、沿河宽起点距

C、沿河长长度

D、沿河长水平距离

答案

参考答案：D

阅读理解

先阅读，再判断。(对的写“T”，错的写“F”。)

Dear Grandpa,

    Thank you for the new jeans. They are cool! It's cool in Beijing. I can wear my jeans and T-shirt.  

I have a new jacket. My old jacket is too small. I want to buy a pair of sneakers. They are fifty yuan.

They are too expensive. What's the weather like at the farm? Is it warm?

                                                                                                                                             Love,

                                                                                                                                             John

(      )1. It is warm in Beijing.

(      )2. John has a new jacket.

(      )3. Grandpa is at the farm.

(      )4. The sneakers are thirty yuan.

(      )5. The sneakers are too expensive.
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单项选择题

目前常规实验室测定血清总钙采用的方法为( )

A．原子吸收分光光度法
B．火焰光度分析法
C．金属复合染料分光光度法
D．离子选择电极法
E．质谱法
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