【判断题】Mitch was surprised by all the old things in Morrie's study.
【多选题】试判断下列作用在机械上的力哪些属于驱动力( )。
D.
带式输送机中运送物料时物料与输送带之间的摩擦力
【判断题】Morrie is Mitch's professor.
【判断题】Mitch is Morrie's student.
【单选题】准工作状态时管道内充满用于启动系统的有压水的系统是( )
【单选题】准工作状态时管道内充满用于启动系统的有压气体的自动喷水灭火系统的是 。
【单选题】Para 1-3 Why did Mitch bring the news story to Morrie?
A.
Because Morrie asked for it.
B.
Because Morrie was a friend of Ted Turner's.
C.
Because Mitch wanted to know how Morrie would react to Ted Turner's words.
D.
Because Mitch would like to comfort Morrie with a humorous story.
【单选题】Why does Mitch say that Morrie's house had "changed so drastically"?
A.
Because it got redecorated.
B.
Because it had become out-dated
C.
Because it was filled with friendly people and love.
D.
Because it had been improved and upgraded.
【判断题】干式系统是指准工作状态时配水管道内充满用于启动系统的有压水的闭式系统。
【单选题】As a student of Morrie's, did Mitch follow Morrie's advice on finding a meaningful life after graduation? (Para.22-23)