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【单选题】
There are no effective boundaries when it comes to pollutants. Studies have shown that toxic insec¬ticides that have been banned in many countries are riding the wind from countries where they remain legal. Compounds such as DDT and toxaphene have been found in remote places like the Yukon and other Arctic regions. This paragraph best supports the statement that
A.
toxic insecticides such as DDT have not been banned throughout the world.
B.
more pollutants find their way into polar climates than they do into warmer areas.
C.
studies have proven that many countries have ignored their own anti-pollution laws.
D.
DDT and toxaphene are the two most toxic insecticides in the world.
E.
even a worldwide ban on toxic insecticides would not stop the spread of DDT pollution.
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参考答案:
举一反三
【单选题】--- Are you a teacher? --- I , but now I am working in a company.
A.
is
B.
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C.
was
D.
had
【单选题】是云数据中心网络的核心问题()。
A.
网络利用率
B.
带宽压力
C.
数据转发
D.
数据存储
【多选题】网络存储技术是基于数据存储的存储技术。网络存储结构可以分为
A.
直联式存储
B.
网络存储设备
C.
存储网络
D.
云存储
【简答题】Android的数据存储方式包括文件存储、【】、SQLite数据库、ContentProvider和网络存储。
【判断题】Android平台进行数据存储有五大方式,分别为: 使用SharedPreferences存储数据 、 文件存储数据 、 SQLite数据库存储数据 、 使用ContentProvider存储数据 、 网络存储数据 。
A.
正确
B.
错误
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A.
DAS
B.
SAN
C.
NAS
D.
AIT
【简答题】5. The washing machine is leaking. I ( am calling , call) a repair company now.
【单选题】I am Swiss, but my company ______ Italian.
A.
is
B.
am
C.
are
【单选题】下列哪种存储类型的存储网络采用IP网络,数据存储的共享通常是基于文件的( )
A.
DAS
B.
IP_SAN
C.
NAS
D.
FC_SAN
【多选题】滴定分析法的滴定方式有
A.
直接滴定法
B.
间接滴定法
C.
换滴定法
D.
返滴定法
E.
非水滴定法
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