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【简答题】
Cora: Hello? Robert: May I come in? Cora: Isn't this terrible? When you think how excited Lucy Rothes was at the prospect, it's too awful for any words. Did J. J. Astor __________? Of course that new wife of his is bound to have been rescued. Robert: I've had a telegram form George Murray. One of his partners in New York. Cora: Yes? Robert: It seems James and Patrick were on board. Cora: What? ______________________________.They weren't going over until May. Robert: Then they changed their plans. They're definitely on the passenger list. Cora: Thank you. O'Brien. That'll be all for the moment. But surely they were _________? Robert: Doesn't look like it. Cora: what? _______________ of them? You must tell Mary. She can't hear about it from anyone else.
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参考答案:
举一反三
【单选题】1/100>发生率>1/1000的是 (药品不良反应的发生率的标识)
A.
偶见
B.
常见
C.
罕见
D.
十分常见
E.
十分罕见
【简答题】双作用叶片泵的两个吸油区和两个压油区是径向对称的,作用在转子上的压力径向平衡,所以又称为____式叶片泵。
【简答题】罕见的;不常发生的:adj
【单选题】Was du noch vor?
A.
schlagst
B.
schlägst
C.
schlagen
D.
schlagt
【判断题】持学生票乘车的学生使用硬卧时,应另收全价硬卧票价,有空调时还应另收全价空调票票价。
A.
正确
B.
错误
【简答题】Was du am Samstagabend machen?
【单选题】发生率<1/10000的是 (药品不良反应的发生率的标识)
A.
偶见
B.
常见
C.
罕见
D.
十分常见
E.
十分罕见
【简答题】adj. 罕见的,不常发生的
【多选题】以下关于元组关系演算中修改操作的叙述,正确的有()。
A.
修改主码的操作是允许的
B.
如果需要修改关系中某个元组的主码值,应当修改主码中的主键属性
C.
修改主码的操作是不允许的
D.
如果需要修改关系中某个元组的主码值,只能先用删除操作删除该元组,然后再把具有新主码值的元组插入到关系中
E.
通过使用 UPDATE语句,可以在一定范围内修改主码
【简答题】双作用叶片泵由于吸油口、压油口对称分布,作用在转子和轴承上的径向液压力相平衡,所以这种泵又称作 式叶片泵。
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