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【单选题】
线绕式电动机在转子回路中串电阻起动的优点是不仅能够减少启动电流,而且能()。A.
降低起动电压
B.
减小启动转矩
C.
增大启动转矩
D.
稳定转速
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【单选题】一家研究机构从IT从业者中随机抽取500人作为样本进行调查,其中60%回答他们的月收入在 8000元以上。这里的“月收入”是( )。
A.
分类变量
B.
顺序变量
C.
数值型变量
D.
离散变量
【单选题】I didn't vote for him. It's not Idislike him. I think mr. Chance is more suitable for the job.
A.
who
B.
that
C.
how
D.
which
【单选题】I didn't vote for him. It's not ________ I dislike him. I think Mr. Chance is more suitable for the jo
A.
who
B.
that
C.
how
D.
which
【单选题】一家研究机构从IT从业者中随机抽取500人作为样本进行调查,其中60%的人回答他们的月收入在5000元以上。这里的“月收入”是( )
A.
分类变量
B.
顺序变量
C.
离散变量
D.
数值型变量
【单选题】I didn't vote for him. It's not I dislike him. I think Mr. Chance is more suitable for the job.
A.
who
B.
that
C.
how
D.
which
【单选题】I didn't vote for him. It's not I dislike him. I think Mr. Chance is more suitbale for this job.
A.
who
B.
that
C.
how
D.
which
【单选题】I didn't vote for him. It's not i dislike him. I think Mr. Chance is more suitable for the job.
A.
who
B.
that
C.
how
D.
which
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