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问题 单项选择题

影响微处理器处理速度的重要因素包括字长、主频、ALU、结构以及( )。

A．有无中断管

B．有无Cache存储器

C．有无DMA功能

D．是否是微程序控制

答案

参考答案：B

句型转换

句型转换。

1. We should exercise to keep healthy. (改为同义句)

    We should exercise to _________ healthy.

2. To eat a balanced diet is very important.(改为同义句)

    _________ very important _________ eat a balanced diet.

3. She has a sore throat. (改为同义句)

     There is something _________ _________ her throat.

4. There is a lot of milk in the bottle.(改为同义句)

    There is _________ _________  milk in the bottle.
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单项选择题

一女性病人测得基础代谢率为+40%可能为（）

A、正常

B、甲状腺功能低下

C、轻度甲亢

D、中度甲亢

E、重度甲亢
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