题目内容

A．inventedB．discoveredC．investigatedD．designed

A. invented
B. discovered
C. investigated
D. designed

查看答案

搜索结果不匹配？点我反馈

更多问题

A．handleB．familiarizeC．dealD．tackle

A. handle
B. familiarize
C. deal
D. tackle

A．forB．ofC．toD．on

A. for
B. of
C. to
D. on

A．FortunatelyB．ApproximatelyC．NaturallyD．Specifically

A. Fortunately
B. Approximately
C. Naturally
D. Specifically

A．eliminateB．identifyC．developD．deliver

A. eliminate
B. identify
C. develop
D. deliver