下列分析方法中，( )不能准确反映项目费用与效益的价值量，但

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问题单项选择题

下列分析方法中，( )不能准确反映项目费用与效益的价值量，但指标计算简便、易于理解。

A．定量分析方法

B．动态分析方法

C．定性分析方法

D．静态分析方法

答案

参考答案：D

填空题

根据句意，用括号中所给单词的正确形式填空，每空一词。

1. So far, I have to make a ______ (decide) about where to go for the coming summer holidays.

2. This year it has rained so ______ (heavy) in South China that lots of problems are caused.

3. When we walked past the playground yesterday, we found him ______ (lie) on the grass,

enjoying the sunset.

4. Jack is busy preparing for a party to celebrate his sister's ______ (twelve) birthday.

He wants to give her a big surprise.

5. —On April 14th, an earthquake hit Yushu and destroyed its ______ (beautiful) completely.

—It's a great pity.

单项选择题

对于CT扫描层厚的理解，错误的是（）

A.层厚选择应根据扫描部位和病变大小决定

B.层厚是CT扫描技术选择的重要参数

C.层厚薄、噪声减小

D.层厚薄、病灶检测率高

E.层厚薄、空间分辨力高