【单选题】When he looked up, he suddenly found himself by a group of teenagers,
D.
having been surrounded;
【简答题】空军航空兵它是空军的主要兵种 通常包括歼击、 ______、强击、轰炸、侦查、运输航空兵等。
【单选题】某轮在码头装集装箱,因为找不到专用装货索具,工人提出改用钢丝绳交叉拦腰捆好集装箱后起吊,则下列说法正确是
【多选题】What do you want to know about the history of Forbidden City?
A.
I want to know what its name is.
B.
I want to know when it was built.
C.
I want to know who built it.
D.
I want to know why it was built.
E.
I want to know what it is famous for.
【多选题】轨道交通线路按其在运营中的作用,应分为( )、( )和( )。
【单选题】Why do many teenagers end up in failure when they try to fit in with their peer group?
A.
Because they tend to overestimate their ability.
B.
Because they can not catch up with their peer group.
C.
Because they feel hard to get accustomed with others.
D.
Because they are too rush to make a rational decision.
【简答题】轨道交通线路按其在运营中的作用,应分为正线、________和车场线。