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【单选题】
半固体润滑剂又称( )。A.
干油或黄油
B.
甘油或机油
C.
机油或润滑油
D.
光亮油或防锈抽
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反馈参考答案：
举一反三
【单选题】If a computer crashes，you will lose the file you _____ on if you don’t save it early enough.
A.
are working
B.
work
C.
will work
D.
worked
【简答题】(2019 省第四联考 ) Now the air in our
city is ______ th a n it used t o be . Something must be done
to stop it.A. v ery goo d B. much better C. rather bad D. e ven worse
【单选题】－Do you have a minute? I’ve got something to tell you. －Ok, ______ you make it short.
A.
now that
B.
if only
C.
so long as
D.
every time
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