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第1题

A survey was carried out on the death rate of those who were infected by SARS, ________were surprising. "A. as results
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第2题

3.会使红细胞发生皱缩现象的溶液是() A.9g/L氯化钠溶液 B.100g/L葡萄糖溶液 C.50g/L葡萄糖溶液 D.生理盐
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第3题

In recent years much more emphasis has been put______ developing the students’ productive skills. A. onto B. in C.
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第4题

3.下列溶液用半透膜隔开，渗透方向由右向左进行的是() A.50g/LC6H12O6溶液 │ 50g/LC12H12O11溶液 B.1mol/LC6H12O6溶液 │ 1mol/LC12H12O11溶液 C.0.5mol/
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