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【单选题】
空气净化技术中,以下列哪种的粒子作为划分洁净等级的标准粒子( )。
A.
0.5μm
B.
0.5μm和5μm
C.
0.5μm和0.3μm
D.
0.3μm和0.22μm
E.
0.22μm
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参考答案:
举一反三
【简答题】Almost every Chinese person can recite the two lines of the famous poem, “Every grain on the plate comes from hard work.” But sadly, many of us don’t actually get the real meaning of these lines: Don’...
【单选题】贵州的年均气温为( )°C
A.
10
B.
12
C.
15
D.
20
【单选题】Almost every family buys as least one copy of a newspaper every day. Some people subscribe to as many as two or three different newspapers. But why do people read newspapers? Five hundred years ago, n...
A.
go to the newspaper stand and buy
B.
send their own news stories to
C.
agree to buy for a specific period of time
D.
become faithful readers of
【单选题】2016年,全国平均气温10.36°C,较常年平均气温偏高0.81°C,为1951年以来第三高,仅次于2015年(10.49°C)和2007年(10.45°C)。2016年四季气温均偏高,其中夏季气温为历史最高;除1月偏低、11月接近常年同期外,其余各月均偏高,其中12月偏高2.6°C,为历史同期最高。全国31个省(区、市)中,仅黑龙江平均气温较常年偏低0.2°C,其他省(区、市)气温均偏高,其中...
A.
1月和10月
B.
3月和12月
C.
2月和8月
D.
2月和10月
【单选题】2016年,全国平均气温10.36°C,较常年平均气温偏高0.81°C,为1951年以来第三高,仅次于2015年(10.49°C)和2007年(10.45°C)。2016年四季气温均偏高,其中夏季气温为历史最高;除1月偏低、11月接近常年同期外,其余各月均偏高,其中12月偏高2.6°C,为历史同期最高。全国31个省(区、市)中,仅黑龙江平均气温较常年偏低0.2°C,其他省(区、市)气温均偏高,其中...
A.
1998年
B.
2007年
C.
2015年
D.
2016年
【简答题】What are the applicants going to have in almost every case of job hunting? They are going to have______.
【单选题】Almost every family buys at least one copy of a newspaper every day. Some people subscribe(订阅) to as many as two or three newspapers. But why do people read newspapers? Five hundred years ago, news of...
A.
Advertisements are the most important part in newspapers.
B.
It introduces newspapers past and today and its contents.
C.
There is a lot of useful information on newspapers.
D.
People like newspapers very much.
【单选题】2016年,全国平均气温10.36°C,较常年平均气温偏高0.81°C,为1951年以来第三高,仅次于2015年(10.49°C)和2007年(10.45°C)。2016年四季气温均偏高,其中夏季气温为历史最高;除1月偏低、11月接近常年同期外,其余各月均偏高,其中12月偏高2.6°C,为历史同期最高。全国31个省(区、市)中,仅黑龙江平均气温较常年偏低0.2°C,其他省(区、市)气温均偏高,其中...
A.
730.0毫米
B.
6.0毫米
C.
629.9毫米
D.
612.6毫米
【单选题】贵州省的年年均气温为: °C左右。
A.
10
B.
12
C.
15
D.
20
【单选题】Almost every family buys at least one copy of a newspaper every day. Some people subscribe (订阅) to as many as two or three newspapers. But why do people read newspapers? Five hundred years ago, news o...
A.
uncommon in the world
B.
not popular in USA
C.
widespread in the world
D.
found among a few families
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