题目内容

The younger a child is, _________faster he/she learns.

A. a
B. the
C. as

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You should try learning French. It's not_______ harder than English.

A. many
B. as
C. any

_______harder I work, the more tired I feel.

A. More
B. The
C. As

已知100μF的电容,接在50Hz的正弦交流电路中,其容抗=()Ω。(结果保留两位小数)

已知100mH的电感,接在50Hz的正弦交流电路中,其感抗=()Ω。(结果保留三位有效数字)

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