_______ provides many hours of air for astronauts in space.
#17237
A
An air tank
B
A power pack
C
A helmet
D
A space sleeping bag
推荐题目
Marry wants to be a famous actress in the _______ / ’fju:t?? /.
#17201
A
favorite
B
free
C
foreign
D
future
The old lady didn’t know when the house caught fire.
#17205
A
how to do
B
how to do with it
C
what to do
D
what to do it
I am a fan of Liu Qian. _____ his magic ________ his humor attracts me.
#17296
A
Both… and
B
Either…or
C
Neither…nor
D
Not only… but also
Which of the following underlined parts is different in pronunciation from others?
#38795
A
The host usually speaks first at a meeting.
B
Please pay attention to the missing part.
C
The old are free to take a bus when it is not the rushing hour.
D
Oh, how windy! Close the window, please.