题目内容

51单片机定时器工作方式2是指的( )工作方式。

A. 8位定时/计数器
B. 16位定时/计数器
C. 13位定时/计数器
D. 自动重装初值的8位定时/计数器

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We welcome rain, but a(an) ________ large amount of rainfall will cause floods.

A. extensively
B. extremely
C. especially
D. constantly

Oh, God, she’s back to again hassle me.

A. attack
B. distract
C. persuade
D. annoy

After the storm the lake returned to its usual calm state.

A. flaccid
B. placid
C. lucid
D. acid

She distributed gifts in a bountiful and gracious manner.

A. modest
B. stingy
C. generous
D. sparing

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