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【判断题】
背景音乐标记属性bop<0时表示音乐不循环播放。( )A.
正确
B.
错误
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举一反三
【判断题】More and more applications on the warships need huge amounts of electricity.
A.
正确
B.
错误
【判断题】离心泵压水室位于叶轮出口之后,其作用是收集从叶轮流出的高速液体,使其速度降低,转变速度为压能,并且将液体按一定要求送入下级叶轮进口或泵排出口。( )
A.
正确
B.
错误
【简答题】根据短文内容选择正确答案。 You don't need a huge piece of land to have a garden. A small square of backyard or a flowerpot will be OK! With a little bit of care, you and your family can enjoy tomatoes or flowers....
【单选题】Large businesses need to borrow huge amounts of money because______.
A.
developing and producing a new product takes a long time
B.
they can never make enough profit
C.
developing and expanding production costs a lot of money
D.
running something like an oil-well is very expensive
【单选题】We need a huge __________ of money to build a new high school for the children in this area。
A.
structure
B.
claim
C.
register
D.
amount
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