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【单选题】
Is it important that he ________ his education in all ways?A.
develop
B.
develops
C.
will develop
D.
developed
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举一反三
【单选题】With the development of industry, the problem of pollution was______from the very beginning, but no one cared about it until the late 1800s.
A.
solved
B.
absent
C.
present
D.
lacking
【简答题】水中颗粒被过滤设备（包括滤池及其他过滤设备）截留主要靠什么作用？
【简答题】The ( ) method calculates a second moving average using the data
calculated from the first moving average.A. moving average smoothing B. exponential smoothing C. double moving average smoothing D. dou...
【单选题】Many people are______ the cities______ the suburbs. A. come from; to B. move from; to C. moving from; to D. coming from; to
A.
come from; to
B.
move from; to
C.
moving from; to
D.
coming from; to
【单选题】A mooring line that prevents a vessel from moving sideways away from the dock is a ___.
A.
bow line
B.
breast line
C.
stern line
D.
spring line
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