Carbon dioxide, which makes a ______ between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.
#13856
A
difference
B
comparison
C
connection
D
barrier
推荐题目
This is a newly developed software from which your computer can .
#13505
A
suffer
B
benefit
C
fall
D
produce
He pretended not to care but that remark his real opinion on the matter.
#11908
A
put away
B
put out
C
gave away
D
gave out
In ____, he began to learn Russian, when he was in ______.
#12067
A
1970; the 50’s
B
the 1970; his 50s
C
the 1970s; his fifties
D
1970s; his fifties
—How's your new babysitter?—We ________ ask for a better one.All our kids love her so much.(2011·浙江)
#11444
A
should
B
might
C
mustn't
D
couldn't
This English book __________ five parts, __________ grammar.
#12225
A
includes; including
B
contains; including
C
includes; containing
D
contains; containing