单项选择题

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A.The admission of a patient.
B.Diagnosis of an illness.
C.The old man’’s serious condition.
D.Sending for a doctor.
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单项选择题
Pure science, leading to the construction of a microscope, ______.
A.is not always as pure as we suppose
B.may lead to anti-scientific, "impure" results
C.necessarily results from applied science and the discovery of a cell
D.necessarily precedes applied science, leading to the discovery of the cell
单项选择题
A.They cost her lots of money.B.They are very rewarding.C.They are very easy to learn.D.They are given by a strict teacher.
A.They cost her lots of money.
B.They are very rewarding.
C.They are very easy to learn.
D.They are given by a strict teacher.
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