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【单选题】
下列各组物质中，前者属于纯净物，后者属于混合物的是（ ）A.
氮气，二氧化碳
B.
冰水混合物，澄清石灰水
C.
矿泉水，五氧化二磷
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举一反三
【单选题】听Dialogue 2短对话,根据听到的问题选择正确的答案。
A.
To continue his study
B.
To find a chance to do business
C.
To look for a good job
D.
To visit his friends
【简答题】Listen to the text. Put the sentences
in the correct order. 1. No sounds left my mouth. 2. Should I jump, or should I wait until
someone pushes me? 3. Would I try to go bungee jumping again? 4. Being ...
【单选题】Should I go _______to the hospital or call the doctor’s office first?
A.
staff
B.
straight
C.
stage
D.
strong
【简答题】根据句意及汉语提示完成句子 1 . A car ( 击;打 )a little boy on this road yesterday. 2 . I don't feel well.I have a ( 头痛 ) . 3 . Look ! There is a ring around the dog's ( 脖子 ) . 4 . Most animals have four ( 脚 ) . 5 . ...
【简答题】( )6.—I have got a toothache, Mum. —Oh, you ________ eat too much candy. A . shouldn't B . needn't C . should D . need ( )7 Emily, you're p...
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