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问题 单项选择题

良性高血压病的基本病变是

A．大动脉粥样硬化
B．小动脉硬化
C．全身细动脉玻璃样变性
D．细动脉纤维素样坏死
E．动脉中层钙化

答案

参考答案：C

填空题

用所给单词的适当形式填空.

1. It's winter in France. The weather is           (wind).

2. They           (clean) the classroom now.

3. We are           (surprise) to hear the bad news.

4. Some           (scarf) are on the box.

5. The           (man) are our teachers.
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单项选择题

35．Applications put computers to pratical business (1) , but below the (2) it’s the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time.
The kernel also supports security and fault (5) , which is the ablity to recover automatically when parts of the system fail.

(2)

A．effective

B．effortless

C．light

D．week
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