【单选题】-Do you know going to stay in London? -No, I don't. Maybe a few days. [ ]
【简答题】下列化合物能形成分子内氢键的是A. B. C. D.
【单选题】What can be inferred about Tom?
A.
He has been working for a long time.
B.
He doesn't know how to use a computer.
C.
He doesn't want to write the paper.
D.
He needs to get an office job.
【单选题】Why did the writer say that he would have a long night?
A.
He wondered how long he had to wait for the next bus.
B.
No driver would give him a ride.
C.
He didn't know the mutes.
D.
He perhaps would have to take a taxi.
【简答题】How long did he tell you he waited?
【简答题】How long has he working in the department? _________________.
【单选题】在窗体上画一个命令按钮,名称为Command1。然后编写如下程序:Private Sub Command1_ Click()Dim a As Integer, y As Integera =10: y = 0do a=a+2:y=y+ a Print 'a=' a 'y=', y if y>20 then exit doLoop until a>14End Sub程序运行后,如果单击命令按钮,则在...
A.
a=12 y=12 a=14 y=16 a=16 y=20
B.
a=12 y=12 a=16 y=28 a=14 y=24
【判断题】7-2、在多组分的体系中,在某一波长下,如果各种对光有吸收的物质之间没有相互作用,则体系在该波长的总吸光度等于个组分吸光度的和。( )
【单选题】How long will the man stay at the hotel?
A.
He won't leave until the next bank holiday.
B.
He hasn't decided yet.