The first three aeroplanes of a new type______.A.are only for showB.are all destroyedC.are

外语类 正确答案 已帮助 人

The first three aeroplanes of a new type______.

A.are only for show

B.are all destroyed

C.are later broken up for spare parts

D.are used for testing purposes

请帮忙给出正确答案和分析,谢谢!

热搜:物联网英文为internet of things

答案解析

难度★★☆ 搜索
  • 正确答案:D
    解析:本题询问细节。根据“thefirstthreeaeroplanesofanewtype”可在第三段找到相关信息,即“Whenanewtypeofaeroplaneisbeingmade,normallyonlyoneofthefirstthreemadewillbeflown.Twowillbedestroyedonthegroundinstructuraltests.Thethirdonewillbetestedinthe