【简答题】Last week I ( )another five pounds.
【简答题】Last week, five ________ students took part in the sports meeting in our school .A. hundred B. thousands C. hundreds of D. D 、 thousands of
【单选题】Last week, five_____ students took part in the sports meeting in our school.
【判断题】By the end of last week we studied five books .
【单选题】飞机结构地面强度试验包括
C.
机体试验、动力系统与飞行管理系统试验、各系统功能可靠性试验.
D.
应力与变形测试试验、疲劳破坏试验、飞行载荷试验.
【简答题】飞机结构设计的原始条件包括( )、( )、( )、( )。
【简答题】Last week I gained another five pounds.