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【单选题】
“performance tests also help a company to secure valuable approval and endorsements”A.
promise
B.
buy
C.
sell
D.
obtain
E.
invent
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【单选题】What are scientists concerned about vitamins?
A.
Whether taking large doses of some vitamins are safe.
B.
Which vitamins are the most beneficial.
C.
Whether taking vitamins can be popularized.
D.
Which vitamins can cure diseases.
【简答题】A．It preserves the vitamins. B．It breaks down the vitamins. C．It makes the meat easier to digest. D．It reduces the protein content.
【简答题】阅读理解。 I'm a skeptic (怀疑论者) when it comes to the benefits of taking vitamins and other supplements. We swallow far more than any other country- yet we're not the healthiest folks by far, nor do we live...
【单选题】板中的钢筋标注方法可以分为:传统标注和平法标注,其中在传统标注表示贯通纵筋时,如图 1 所示,表示的是板的( )钢筋。
A.
上部贯通纵筋
B.
下部贯通纵筋
C.
端支座负筋
D.
设计者自定
【单选题】听力原文： Vitamins are essential to life. Today there are many kinds of vitamins. A deficiency in many of these can lead to illness. Vitamin A is most important for good eyesight. But it is also important...
A.
B．Vitamin
B.
C．Vitamin
C.
D．Vitamin
D.
【简答题】A．It preserves the vitamins. B．It breaks down the vitamins. C．It makes the meat easier to digest. D．It reduces the protein content.
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