题目内容
We want such materials ________ can bear high temperature and pressure.
[ ]
A.that
B.as
C.what
D.which
答案:B
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as引导定语从句,as在从句中作主语。 |
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题目内容
We want such materials ________ can bear high temperature and pressure.
A.that
B.as
C.what
D.which
as引导定语从句,as在从句中作主语。 |