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【判断题】
空调电子检漏仪探头长时间置于制冷剂严重泄露的地方会损坏仪器。A.
正确
B.
错误
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【单选题】听力原文：M: I bought a few books at the new bookstore. Would you like to have a look at them? W: A few? It looks like you bought out the bookstore. M: You really think so? I'll have to read them through i...
A.
She didn't like the books the man bought.
B.
There wasn't a large selection at the bookstore.
C.
The man bought a lot of books.
D.
She wanted to see what the man bought.
【单选题】The underlined words in the sentences below have at least two meanings. Look at how they are used and choose the correct meaning. The primary objective of the new legislation is to raise standards of ...
A.
most important or fundamental
B.
the name given to the education of children between the ages of five and 11
C.
medically, the beginning of growth or development
【简答题】________是顾客从拥有和使用产品中所获得的价值与为取得该产品所付出的成本之比.
【判断题】Jonas and Gabriel enjoyed themselves very much by meeting so many new things they never had the chances to look at in the community.
A.
正确
B.
错误
【简答题】________ 是顾客从拥有和使用产品中所获得的价值与为取得该产品所付出的成本之差。
【单选题】Some of the drawbacks of _____ test markets are that they can be very costly, and they can give competitors a chance to look at the company’s new ideas.
A.
standard
B.
controlled
C.
simulated
D.
Internet
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