(2013·高考湖北卷)In much of the animal world，night is the time________for sleep－pure and simple.
#11936
A
set aside
B
set down
C
set off
D
set up
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It’s unwise of you not to his suggestions, for he is an authority in this field.
#14558
A
adapt
B
adore
C
adopt
D
advance
—How is your plan getting along?—I can’t carry on ________ any longer.Someone must help me.
#11013
A
single
B
simply
C
alone
D
lonely
(2013·浙江，9)When the group discussion is nearing its end，make sure to ________ it with important points.
#11554
A
conclude
B
lead
C
avoid
D
hold
(2013·湖北，22)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.
#11490
A
difference
B
comparison
C
connection
D
barrier
You can’t imagine what difficulty we had home in the snowstorm.
#12303
A
walk
B
walked
C
to walk
D
walking