【单选题】听力原文:M: Excuse me. Have you been waiting long? W: About ten minutes. M: Did you notice whether the number seven bus has gone by? W: Not while I've been standing here. I'm waiting for the number seven ...
【单选题】听力原文:M: Excuse me. Have you been waiting long? W: Twenty minutes already. M: Did you notice whether the No. 7 bus has passed by? W: Not while I've been standing here. I'm also waiting for the No. 7 bu...
A.
She is waiting for the man.
B.
She is waiting for her mother.
C.
She is waiting for a bus.
【简答题】螺纹牙型是指通过螺纹轴线的剖切平面截切而得的螺纹轮廓形状。常用的有三角形、 、矩形、锯齿形螺纹。其中 螺纹使用最广泛。
【单选题】听力原文:M: Excuse me. Have you been waiting long? W: About ten minutes. M: Did you notice Whether the number seven bus has gone by? W: Yes, it is. I wish that it would rain and cool off. M: Me too. This ...
A.
She is waiting for the man.
B.
She is waiting for her mother.
C.
She is waiting for a bus.
D.
She is waiting for it to stop raining.