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【单选题】
三相异步电动机起动时,起动电流很大,起动转矩很小是因为( )A.
效率很低
B.
率因数很小
C.
功率因数很大
D.
降压起动
E.
转差率很低
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反馈参考答案：
举一反三
【单选题】For the compliant child, parental disapproval is as strong a(an) ______ force as the threat of punish- meat.
A.
bridling
B.
inhibiting
C.
restraining
D.
checking
【单选题】They have no intention of turning their swords into ploughs. What figure of speech is used in the sentence?
A.
analogy
B.
metonymy
C.
parallelism
D.
metaphor
【单选题】For the compliant child, parental disapproval is as strong a(an) ______ force as the threat of punishment.
A.
bridling
B.
inhibiting
C.
restraining
D.
checking
【简答题】Their swords _______. (clash, crash)
【简答题】What is the main idea of the passage? ［A］ Parental divorce has a negative effect on children all through their life. ［B］ The impact of parental divorce on children varies in personality, age and gende...
【单选题】Allen and Marian passed the beast ___________, keeping as far as possible, with their swords ready in hand
A.
casually
B.
creatively
C.
crucially
D.
cautiously
【单选题】The knights made a __________ to serve their lords with their swords and shields.
A.
contribution
B.
trust
C.
vow
【简答题】Their swords ____. (crashed, clashed)
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