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问题 单项选择题 A型题

无骨髓抑制作用的抗癌药是（）

A.烷化剂

B.抗代谢药

C.抗肿瘤抗生素

D.植物来源的抗肿瘤药物

E.激素类

答案

参考答案：E

选择题
— Sally is very happy, she _____ the good news to others.
— Because she always works and she doesn't _____ for a long time.

A. can't wait tell, have a free day
B. can't wait to tell, has a free day
C. can't wait telling, has a free day
D. can't wait to tell, have a free day
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单项选择题

证券投资技术分析的目的是预测证券价格涨跌的趋势，即解决（）的问题。

A.买卖何种证券

B.投资何种行业

C.何时买卖证券

D.投资何种上市公司
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