单项选择题

By doing the "tank test", the engineers can find out()

A. the amount of air in the plane
B. the strength of the plane structure
C. the pressure inside and outside the plane
D. the power of the airplane engines

<上一题目录下一题>

热门试题

单项选择题

The letters MIS stood for()

A. Missing Infantry Soldiers
B. Military Intelligence Service
C. Military Intelligence Soldiers
D. Military Infamy Service

单项选择题

In Mr. Leonard’s school, most of the students who don’t have to pay for lunch ()

A. are adopted children
B. are parentless
C. are homeless

D. have a single parent