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【单选题】
真丝精练液中加入硅酸钠的作用不包括?A.
增加练液碱度
B.
保护胶体，防止丝胶杂质再沉淀到纤维上
C.
除锈渍
D.
改善手感
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反馈参考答案：
举一反三
【简答题】为自己喜欢的明星设计一款连衣裙(效果图+款式图)
【单选题】We love to sit on the floor and _____________ the beach and the sea.
A.
look out of
B.
look out at
C.
look out
D.
look for
【单选题】We _____the floor and _____ all the windows.
A.
mopped cleanned
B.
moped cleaned
C.
mopped cleaned
D.
moped cleanned
【单选题】We ( )the floor and ( ) all the windows.
A.
mopped, cleanned
B.
moped, cleaned
C.
mopped, cleaned
D.
moped, cleaned
【单选题】We __ ___the floor and _____ all the windows.
A.
mopped… cleanned
B.
moped… cleaned
C.
mopped…cleaned
【单选题】We___the floor and____all the windows.
A.
moped,cleaned
B.
mopped,cleanned
C.
mopped,cleaned
D.
moped,cleanned
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