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【多选题】
工艺路线的评价标准有A.
化学合成途径简易
B.
设备要求不苛刻
C.
操作简便
D.
成本最低，经济效益最好
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举一反三
【单选题】With more and more forests _____, many animals are facing the danger of dying out.
A.
to destroy
B.
destroying
C.
destroyed
D.
to be destroyed
【单选题】With more and more forests disappearing, today the public is much concerned about the way _________.
A.
nature is being ruined
B.
which nature is ruined
C.
on which to ruin nature
D.
of nature to be ruined
【简答题】完成句子 1. With more forests being destroyed,huge quantities of good earth________each year.(wash) 随着更多的森林被摧毁,每年都有大量的好土壤被冲走. 2. It was________I found we had a lot in common.(stay) 直到我们一起呆了几个星期我才发现我们有许多共同...
【单选题】With more forests _____being destroyed, huge _____ of good earth _____ washed away each year.
A.
are ; number ; is
B.
/ ; quantities / are
C.
be ; number ; are
D.
/ ; quantities ;is
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