搜题
王老师:19139051760(拨打)
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第1题

– CaI help you –__________
·That’s not necessary, but thank you all the same.
·No, I won’t.
·Of course.
·Wel
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第2题

The ________ girl is very popular iher school.
·stylish
·style
·styles
·styling
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第3题

It is a _______ and difficult time for me.
·frustrating
·frustration
·frustrated
·frustrate
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第4题

下述反应中属于加氢反应类型的是( )。
·烃类裂解气净化脱除乙炔
·以乙苯为原料生产苯乙烯
·以丙烯为原料生产丙烯腈
·CO水蒸气变换为CO2
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