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【多选题】
当条件符合下列( )时，电动机应全压启动。A.
当有调速要求时，电动机的启动方式应与调速方式相配合
B.
制造厂对电动机的启动方式无特殊规定
C.
机械能承受电动机全压启动时的冲击转矩
D.
电动机启动电压能够满足系统电压降低的最低要求
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举一反三
【单选题】More TV programs, according to government officials, will be produced _____ people’s concern over food safety.
A.
to raise
B.
raising
C.
to have raised
D.
having raised
【单选题】The rose tint may______.
A.
make people's mind full of fancy
B.
make people less sociable
C.
overestimate the threat
D.
ease down the outside threatening
【单选题】Which of the following statement is true about Mencius’ concern for people’s welfare?
A.
Mencius is a utilitarian politician who uses people.
B.
Mencius would turn people away like worn-out old horses.
C.
Mencius’ concern for people’s welfare is everywhere and sincere.
D.
Mencius’ criticism of a cruel government is everywhere.
【单选题】The aging of American Society has resulted in ______.
A.
people's greater concern about public health care
B.
old people's increasing interests in high-tech goods
C.
more crimes being committed by senior citizens
D.
communities' growing overlook of education
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