题目内容：
A.have,,joined
B.have,,been
C.has,,joined
D.has,,been
参考答案：
选择题：How long() you() a member of the club?
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- 题目类型：选择题
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Will you please the word in the dictionary?
A.look atB.look outC.look forD. look up
He told me that great changes() in his home townsince 1982.
A. took placeB. had taken placeC. were taken placeD. had been taken place
What() you() he’ s the murderer?
A. make, thinkB. makes, thinkC. makes, to thinkD. make, thinking
● 以下关于 XML 文档的描述,错误的是 (61) 。 (61)
● 以下关于 XML 文档的描述，错误的是 （61） 。（61）A．元素名称不区分大小写B．元素必须有开始标记和结束标记C．元素可以嵌套但不能交叉D．属性值必须加引号
● (50) 不是供应链结构的特征。 (50)
● （50） 不是供应链结构的特征。（50）A．层次性B．交叉性C．静态性D．面向用户需求