【单选题】Conversation 2 18
A.
Booking a theater ticket.
C.
Booking an air ticket.
【单选题】Conversation 2 18
A.
He comes to visit a friend.
B.
He wants to learn new technology.
C.
He comes for the contract.
D.
He wants to see the environment.
【简答题】A.in line B.in part C.in person D.in all
【判断题】大气对电磁辐射的吸收作用的强弱主要与大气物质成分的颗粒大小有关。
【简答题】A.in case B.in turn C.in short D.in fact
【简答题】A.in circles B.in accord C.in case D.in essence
【简答题】A.In essence B.In part C.In advance D.In return
【简答题】A.in principle B.in confidence C.in name D.in earnest
【单选题】选择加 点 字的正确读音 :露脊鲸 把尾 鳍 高高举出水面 。