考博考试

根据网考网考试中心的统计分析，以下试题在2018/7/10日考博习题练习中，答错率较高，为：89%
【单选题】 The problem discussed in the second paragraph called for ______.
A．selecting the best hear-resistant metal from existing metals
B．developing a turbine wheel capable of generating hear up to 1, 600 degrees Fahrenheit
C．developing metals and alloys that would withstand terrific temperatures
D．causing the jet engine to operate at higher temperatures

网考网参考答案：C，答错率：89%
网考网试题解析：
第二段applied scientist发现很多在car中用得很好的金属不能忍耐飞机的高温，后来又指出aircraft designers had to．．．for the development of metals and alloys that would do the job in jet-propelled planes，选项C表述意思符合。 查看试题解析出处>>