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【单选题】
理想气体经历绝热自由膨胀,下述答案中哪一个正确 ( )
A.
ΔU大于0,ΔS大于0
B.
ΔU小于0,ΔS小于0
C.
ΔU=0,ΔS小于0
D.
ΔU=0,  ΔS大于0
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【单选题】豫北某农业大县,农作物一年两熟,民间流传“冬天麦盖三层被,来年枕着馒头睡”的谚语。该地麦熟时节农事繁忙,既要“抢收”,又要“抢种”。 该 地 “ 抢 收 ” 的 时 间是
A.
5 月 初
B.
6 月 初
C.
7 月 初
D.
8 月 初
【简答题】一般疑问句 It is a lovely bag. He was a business man. Mary worked as a secretary in the first year after graduation. He can speak English. There are many kind of shoes in my store. They were good friends. ...
【多选题】按组织的形成方式分类 ,组织包括:( )
A.
强制型组织
B.
正式组织
C.
非正式组织
D.
互利组织
E.
非赢利组织
【简答题】某城市建有一以煤为燃料的火力发电站,年燃煤量为200 万吨,煤的含硫量为1.08%,其中可燃硫占85%,全市居民约50万户,生活用煤量为每户每月200kg,生活用煤含硫量为0.6%,其中可燃硫占70%,计算该城市每年的工业和生活产生的二氧化硫量。
【判断题】There are many examples around us show that a great number of people are kind-hearted.
A.
正确
B.
错误
【简答题】某城市建有一以煤为燃料的火力发电站,年燃煤量为200万t,煤的含硫量为1.08%;全市居民约50万户,生活用煤量为每户每月200kg,生活用煤含硫量为0.6%,其中可燃煤占70%,计算该城市每年的火力发电站和生活用煤产生的SO2量。
【单选题】18There are many kind of seafood. Some like prawns, ________ like crabs. A: the other B: the others C: another D: others E: other
A.
B.
C.
D.
E.
E
【单选题】There are many kinds of ants in America. One kind is very strong. People are afraid of it, and animals are afraid of it, too.These ants move in large groups. They eat all the animals on their way. The...
A.
alone
B.
in large groups
C.
at night
【单选题】There are many kind pollution, air pollution,____.
A.
For example
B.
For aninstance
C.
Such  As
D.
Such...As
【简答题】There are many different kind of interesting Errand services, such as: ( )A. Organizing Service B. Special/Emergency Delivery Service C. Party and Staffing Service D. Move Assistance Service
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