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【简答题】
笼型感应电动机降压起动与直接起动时相比，( )。 (A)起动电流和起动转矩均减小了 (B)起动电流减小了，起动转矩增加了 (C)起动电流和起动转矩均增加了 (D)起动电流增加了，起动转矩减小了
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【简答题】A．开髓开放 B．开髓封失活剂 C．开髓拔髓开放 D．麻醉拔髓+根管封药 E．开髓开放+切开引流 以下疾病的首诊处理 急性牙髓炎 A． B． C． D． E．
【简答题】Use the correct forms of the words in the table to complete the sentences. Use each word twice. Mouse icon menu window address crash surf hardware (1). My computer____________. Can you fix it? ...
【单选题】Read the passage and choose the correct answer.Jimmy has been a postman for the last ten years. He loves to talk to his wife in the evenings about the people he delivers to. He tells her about Mrs. Ma...
A.
gets her food delivered
B.
goes to the local supermarket by bus
C.
gets her food from the little shop at the corner
D.
doesn't get her shopping from the local supermarket
【单选题】Choose the correct word to complete the sentences. My father is __________ , and he always quarrels with others.
A.
good-looking
B.
ill-tempered
【简答题】选择题 ( )1. He is always tolerant ______ different opinions. A. to B. of C. from D. at ( )2. I have some trouble _______the silk dress. A. washing B.wash C...
【简答题】Fill in the blanks in the following sentences with the correct form of the words from the boxes. scornfully sternly convulsively 1. He twitched and made a sobbing noise. 2. Knowing that I lied to him ...
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