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问题 单项选择题

4岁患儿，全身高度水肿2个月，尿蛋白(+++)，血浆总蛋白30g/L，为明确诊断，以下哪项并非必须检查

A．尿常规
B．测血压
C．测血清补体
D．测血清尿素氯，血清蛋白电泳
E．测血沉

答案

参考答案：E

单项选择题

通常情况下，载体应连接多少个以上半抗原才能使动物有效产生抗体（）

A.25个

B.20个

C.35个

D.30个

E.15个
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单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. Heterogeneous network environments consist of computer systems from (66) vendors that run (67) operating systems and communication protocols. An organization that (68) its computer resources is usually (69) the task of integrating its heterogeneous systems. Typically, each deparlment or division has defined its own network needs (70) OS, LAN topology, communication protocols, applications, and other components.

A．in general

B．in any term

C．in set terms

D．in terms of
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