A.硫氰酸铵
B.硫酸
C.硫代乙酰胺
D.氯化钡
E.硝酸银
第3题
How can people make use of sea water?
They make use of it by __________the salt.
第4题
A、We shouldn’t make full use of time.
B、We should make full use of times.
C、We shouldn’t make full use of times.
D、We should make full use of time.
第5题
Make sure to use an ______dealer.
A.authority
B.authorization
C.authorized
D.authoritarian
第6题
It was the Hope Project () her to go back to school.
A、make use of
B、be in use of
C、come into use of
D、go out of use of
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