【单选题】-I'm worn out, ________, the bike doesn't work well, so I can't go farther. -Then, we'd better have a rest here. [ ]
【单选题】What doesn't the Coriolis Effect cause?
A.
Westward-running trade winds.
C.
The water draining from the sink.
D.
Eastward-running jet streams.
【单选题】以下符合运动镜头编辑点的组接原则的是( )。
【判断题】含有手性C原子的分子一定具有手性,没有手性C原子的分子一定不具有手性。
【判断题】含有手性 C 原子的分子一定具有手性,没有手性 C 原子的分子一定不具有手性。
【多选题】已知某序列z变换的收敛域为|z|>1,则该序列为( )
【单选题】In the opening paragraph, the writer introduced his topic by______
A.
introducing an illusion.
C.
depicting a vivid scene.
D.
posing a sharp contrast