Something as simple as _____ vegetables

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问题选择题

Something as simple as _____ vegetables in childhood may help to protect you against serious illness in later life.

A. to eat
B. eating
C. to be eating
D. eaten

答案

答案：B

口语交际，情景问答题

阅读漫画，完成问题。(6分)

小题1:给这幅漫画加个标题。(不能用“无题”)(3分)

答：________________________________________________________________________

________________________________________________________________________

小题2:这幅漫画形象地提醒人们：________________________________________________________________________

________________________________________________________________________

________________________________________________________________________。(3分)

单项选择题

相线对地标称电压为220V的TN系统配电线路的接地故障保护，配电线路或仅供给固定式电气设备用电的末端线路，不宜大于（）。

A.15s

B.5s

C.0.4s

D.0.04s