现代计算机是一种按程序自动进行信息处理的工具，目前被广泛使用

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问题单项选择题

现代计算机是一种按程序自动进行信息处理的工具，目前被广泛使用的计算机是（）。

A.模拟计算机

B.通用并专门用于家庭的计算机

C.数字与模拟混合的计算机

D.数字计算机

答案

参考答案：C

填空题

根据句意及所给中文提示或英文解释，写出句中所缺单词

1. Our earth is getting more and more ________(拥挤) because of the increase of people.

2. Sandy was late for school this morning because her bicycle went ________(毛病).

3. Jumping on Mars will be ________(危险) because we easily jump too high and flew away.

4. I think an air tank is the most important thing for an ________(宇航员).

5. We wear ________(特殊的) costumes with masks.

6. Simon wants to c________(to become different) his diet because he wants to healthier.

7. They have made a plan to clean up the p________ rivers.

单项选择题

虚劳的主要病机是（）

A.气血阴阳亏损

B.阴虚火旺

C.脏腑功能失调，气血阴精亏虚

D.脏腑亏损，气血阴阳不足

E.阴阳失调