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【单选题】
引起缺铁性贫血的最常见原因是A.
铁的摄入不足
B.
铁的吸收不良
C.
慢性失血
D.
维生素D
E.
骨髓造血功能不良
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皮皮学刷刷变学霸
举一反三
【简答题】A．He has managed to sell a number of cars. B．He is contented with his current position. C．He might get fired. D．He has lost his job.
【单选题】在Web应用软件的安全策略中,下面不属于访问安全策略的是______。
A.
入网访问控制
B.
服务器安全控制和节点安全控制
C.
客户端安全控制和权限控制
D.
防火墙控制
【单选题】查看材料
A.
He visited a number of famous computer scientists．
B.
He met with an entrepreneur named Jim Clark．
C.
He sold a program developed by his friends．
D.
He invested in a leading computer business．
【简答题】He c_______ with a number of other candidates.
【单选题】— ____ he or you the teacher of English? — The teacher with a number of students ____ in the classroom.
A.
Is, is
B.
Is, are
C.
Are, is
D.
Are, are
【简答题】die Steckdose, -n
【单选题】He_ with a number of different materials before finding the right one.
A.
tested
B.
experimented
C.
examined
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