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【简答题】

The complement system is composed of more than 30 types__ produced by the liver.

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参考答案:
参考解析:
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刷刷题刷刷变学霸
举一反三

【多选题】因素分析法又称( )。

A.
比较法
B.
连锁置换法
C.
比率分析法
D.
连环代替法
E.
差额计算法

【单选题】关于EDI,以______下是错误的。

A.
EDI是两个或多个计算机应用系统之间的通信
B.
EDI要求计算机之间传输的信息遵循—定的语法规则
C.
EDI强调数据自动投递和处理而不需要人工的介入
D.
EDI建立在开放的因特网平台之上

【单选题】听力原文:W: Dr Manning, do you have a few minutes? I'd like to ask you about this fossil I found.M: Sure.What have you got there?W: Well, it's some kind of shellfish.I thought it might be a brachiopod, bu...

A.
Ways to determine the age of a fossil.
B.
The identity of a fossil the woman found.
C.
A comparison of two shellfish fossils.
D.
Plans for a field trip to look for fossils.