(2013·福建毕业班质量检查)—What does PM 2.5 mean?—It's a professional ________ indicating the condition of air pollution.
#11739
A
term
B
item
C
number
D
mark
推荐题目
Nowadays，few people form the habit of keeping a supply of candles in the house in case of power ________.
#11468
A
drop
B
lack
C
absence
D
failure
All present were shocked by what the little boy______ when he was cheated and sold to the mountain village.
#12642
A
cared about
B
got along with
C
went through
D
came up
My interests include football, bowling and surfing the web_____ studying my favorite subjects.
#13084
A
as well as
B
instead of
C
less than
D
rather than
(2013·烟台高三联合测试)As the train ran faster and faster，the lights of the city were soon ________.
#11505
A
left off
B
left alone
C
left behind
D
left out