_______ 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
________is the largest freshwater lake in China.
#17254
A
Dongting Lake
B
Poyany Lake
C
Qinghai Lake
D
Hongze Lake
—Where have you been these days?—I have been to Bei Daihe with a friend .
#17283
A
in Chinese
B
of Japan
C
of American’s
D
from Canada
—I’m going to Hainan on vacation next week.-- __.
#17206
A
Have a good time
B
Not at all
C
Thank you
D
I have no idea
―Hurry up, we must be the first to interview the pop star.―Sure. ________.
#16735
A
Many hands make light work
B
The early bird catches the worm
C
East or West, home is the best
D
Practice makes perfect