选择题：The Prize in Economics ______ in 1968, that is, mo

题目内容：

The Prize in Economics ______ in 1968, that is, more than half a century ago.

选择一项：

A.
establish

B.
was established

C.
established

参考答案：

作为标准加以推广的BF防坠器属于( )。(本题2.0分) A、木罐道切割式防坠器 B、钢轨罐道摩

作为标准加以推广的BF防坠器属于( )。(本题2.0分) A、木罐道切割式防坠器 B、钢轨罐道摩擦式防坠器 C、制动绳摩擦式防坠器

分类：国家开放大学理工英语1 题型：选择题

At the time I admired his ______ (youth) enthusiasm.

分类：国家开放大学理工英语1 题型：选择题

(多选题) 凸轮机构按推杆的形状可分为（）。(本题2.0分) A、尖顶推杆 B、直动推杆 C、滚子推杆 D、平底推杆

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He is very clever and his ability to improve his work is very （limit）.

分类：国家开放大学理工英语1 题型：选择题

The house is ______ (complete) before his brother’s wedding ceremony.

分类：国家开放大学理工英语1 题型：选择题