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【单选题】
室内外存在同类污染物发生源时,该污染物的( )A.
室内浓度往往是低于室外浓度。
B.
室内浓度往往是与室外浓度相等。
C.
室内浓度往往是高于室外浓度。
D.
室内浓度往往与室外浓度无关。
E.
室内浓度往往与室外其他污染物浓度有关。
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【简答题】完形填空 Today is Sunday. Bill, Michael, Judy and I 1 any classes. We go to the zoo to see the 2 with Mr. Green. Mr. Green is our English teacher. He is very 3 to us. We take a bus to the zoo. We want to ...
【简答题】完形填空。 There're different kinds of animals in the zoo. We see the zoo keepers give them 1 to eat. They don't have to 2 food by themselves. They just eat, walk and 3 all day. So many of 4 may think that...
【判断题】阅读短文判断正误 Dad took us to the zoo today. We went there by car. We were very happy. At the zoo, we sao many animals. The elephants were tall and big. There was a baby elephant. It was very lovely. I took...
A.
正确
B.
错误
【单选题】Shall we go to the zoo tomorrow?（）
A.
It doesn't matter
B.
That's nothing
C.
Good idea
D.
You're welcome
【简答题】完形填空。 There're different kinds of animals in the zoo. We see the zoo keepers give them food to eat. The animals don't have to 1 food by themselves. They just eat, walk and 2 all day. So many of 3 may ...
【简答题】句型转换，每空一词。 ①We go to the zoo first. (改为同义句) _________ _________ to the zoo first. ②They like the white cat because it's very smart . (就画线部分提问) ________ _________ they like the white cat? ③He likes pla...
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