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【判断题】
硅酸盐水泥熟料中玻璃体的含量取决于配方设计时引入的液相量及熟料的冷却条件,一般为2%~21% ;急冷熟料约含8%-22%;慢冷熟料只有0-2%。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】_____ you helped me, I wouldn't have made so much progress in my work.
A.
Didn't
B.
Wouldn't
C.
Hadn't
D.
Couldn't
【简答题】风险因素预先分析
【简答题】如图所示电路中,电流 I 为( )。
【单选题】With the teacher's help, Ted is _______ in English than before. So he had made much progress. [ ]
A.
interested
B.
interesting
C.
more interested
D.
more interesting
参考解析：
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