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【单选题】
直流电动机降低电枢电压调速时，转速只能从额定转速（ ）A.
升高一倍
B.
往下降
C.
往上升
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】Andrew fuller suggests that , when kids behave inappropriately, people should not
【单选题】Why should parents stop rewarding their kids for eating vegetables?
A.
It changes kids' eating habits.
B.
It has only short-term effects.
C.
It may lead to overeating.
D.
It costs parents too much money.
【简答题】Parents should explain to kids the reason for telling white lies is to______.
【单选题】The amount of money given to everyone should be the same, ______ whether they are kids or adults.
A.
in case of
B.
instead of
C.
regardless of
D.
because of
【简答题】光伏组件的回收包括 、 、 。
【单选题】Shereshewsky is most likely to agree that______.
A.
parents should help out their adult kids
B.
young people should be independent
C.
parents should enjoy their own lives
D.
young people should help their parents
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