Question

16. Vehicle designers are well aware that they need to    the idea of cars that have a low environmental impact.

A. end up with       B.  put up with

C. keep up with        D. come up with

Answer 1

16. D 考查动词短语辨析。end up with结束；put up with忍受； keep up with赶上；come up with想起。句意：汽车设计师完全意识到，他们需要想出一个能制造出对环境影响小的汽车的方法。come up with the idea想到这个办法，所以选D项。