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【单选题】
下列关于眩晕主症特点的叙述中,错误的是A.
眩是指眼花或眼前发黑
B.
晕是指头晕甚或感觉自身或外界景物旋转
C.
轻者闭目即止，重者如坐，旋转不定，不能站立
D.
突然昏仆，不省人事，四肢厥冷
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【单选题】I know nothing about the visitors except _____ they are from Canada.
A.
how
B.
that
C.
what
D.
which
【简答题】完形填空。 Jenny and Bruce are good friends. They 1 from Canada. They speak English. They can speak a little Chinese.They 2 to play with their dolls. Jenny likes English very much. Bruce likes math. They 3...
【单选题】工业用水钙镁离子总量的测定,关于三次平行实验的绝对偏差,叙述正确的是( )
A.
大于0.06 mmol/L;
B.
大于0.04 mmol/L;
C.
小于0.04 mmol/L;
D.
小于0.02 mmol/L。
【简答题】听短文，选择正确答案。 1. Where are Jack's friends from? [ ] A. They are from China. B. They are from Canada. C. They are from six countries. 2. What language does Jack's father speak? [ ] A. He speaks E...
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