题目内容

2.He__________to me how the machine was used.

A. showed
B. said
C. proved
D. explained

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3.Scientists have found that there is not any__________plant on the moon.

A. life
B. living
C. alive
D. live

4.The medicine has an immediate__________on my illness.

A. affect
B. pity
C. effect
D. aspect

5.It is necessary for everyone to experience the process of__________.

A. age
B. aging
C. aged
D. agedly

6.Nose is the__________of smell.

A. part
B. organic
C. organization
D. organ