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【单选题】
定量泵节流调速系统中溢流阀的作用为 。A.
溢流稳压
B.
背压
C.
安全保护
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反馈参考答案：
举一反三
【多选题】造成资产经济性贬值的原因主要有( )。
A.
技术落后
B.
该项资产生产的产品需求减少
C.
社会劳动生产率提高
D.
自然力作用加
E.
政府公布淘汰该类资产的时间表
【单选题】Listen to the conversation again and tick ( √ ) the correct answer to each question. u02p31.mp3: Why does Bill call Mr. Black?
A.
He wants to buy some products from Mr. Black.
B.
He wants to show Mr. Black some samples of his products.
C.
He wants to pay a visit as an old friend.
【简答题】古代汉语判断句的谓语前常用副词“(__)”加强肯定,而且往往带有辩白或申明的语气。相当于现代的“便(是)”“就(是)”。
【简答题】古代汉语判断句谓语前常用副词“(__)”表示否定,它不是否定性的系词。可译成“不是”,但不是“不”和“是”的结合体。
【判断题】Bill is calling Nova to arrange a visit.Listen to the conversation and decide whether the following statements are trueor false. Then write down the key words to support your answers. u02p31.mp3: The ...
A.
正确
B.
错误
【多选题】Listen to Part B, and choose the answer. 02-U02.mp3 Where are Sally's friends from?
A.
School
B.
Her neighborhood
C.
The Internet
【简答题】Unit02L4.mp3: Listen to a passage and answer the question. In what ways can you exercise your muscles?
【简答题】12_Dictation02.mp3: Listen to the following passage. Altogether the passagewill be read to you FOUR TIMES . During the first reading, which will bedone at normal speed, listen and try to understand th...
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