GRE考试

根据网考网考试中心的统计分析，以下试题在2018/5/3日GRE考试习题练习中，答错率较高，为：79%
【单选题】 The primary purpose of the passage is to
A．(A) expose the fragile nature of the foundations on which bioengineering research rests
B．(B) argue that bioengineering is ultimately infeasible as a means of manufacturing plastic
C．(C) argue that the advances in organically-based plastic manufacture cannot solve environmental issues
D．(D) explain the reasons for and objectives of current research on the development of organically-based plastic manufacture
E．(E) describe the nature of the organic plastic manufacturing process

网考网参考答案：B，答错率：79%
网考网试题解析：
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