The successful launch of Tiangong1 symbolizes a further step for China to join in the________of space stations previously mastered by Russia and the US.
#11924
A
invention
B
production
C
operation
D
preparation
推荐题目
Shortly after the accident, _____ policemen were sent to the spot to keep order.
#12064
A
score of
B
two scores
C
score
D
scores of
. Good news! We didn’t spend ______ we had expected.
#14373
A
as half much money as
B
much money as half as
C
as much money as half
D
half as much money as
The generation _____ makes it difficult for parents to understand their children’s opinions.
#14453
A
division
B
gap
C
separation
D
interval
--- What date is it? --- It’s _____.
#14491
A
the June seven
B
the seventh of June
C
seventh June
D
the June seventh
Lemons can be made into a nice drink when you ______their juice with sugar and water
#12020
A
mix
B
cover
C
add
D
match