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【单选题】
Susan is a(n) ______ girl.A.
eighteen-year-old
B.
eighteen years old
C.
eighteen-years-old
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【单选题】三网融合是指________的相互渗透和兼容。
A.
局域网、广域网和城域网
B.
互联网、电信网和广播电视网
C.
互联网、企业网和公共电信网
D.
调频广播网、中级广播网和电视网
【简答题】search for ; final; little; large; watch; plant; talk with ; look after; live; such as 5, If you want to keep the air in your room fresh, you can keep some green ______ in it. 6...
【简答题】（10分）、能源短缺是人类社会面临的重大问题。甲醇是一种可再生能源，具有广泛的开发和应用前景。 (1) 工业上一般采用下列两种反应合成甲醇： 反应Ⅰ：CO（g）+2H 2 （g） CH 3 OH（g） H 1 反应Ⅱ：CO 2 （g）+3H 2 （g） CH 3 OH（g）+H 2 O（g） H 2 ①上述反应符合“原子经济”原则的是 (填“Ⅰ”或“Ⅱ”)； ②下表所列数据是反应Ⅰ在不同温度下的化...
【简答题】 The Idea of a Good Friend In kindergarten, your idea of a good friend was the person who let you have the red crayon when all that were left were the ugly black ones. In third grade, your idea of a ...
【单选题】Professors in the United States usually expect the students______.
A.
to know all the answers
B.
never to seek their advice
C.
to take the initiative and be independent
D.
to work together
【单选题】The Smiths _____ their bags with their clothes in the sitting room. [ ]
A.
are busy filling
B.
is busy filling
C.
are busy to fill
D.
is busy to fill
【单选题】What is included in the room price?
A.
Breakfast.
B.
Dinner.
C.
A 5-dollar gift card.
D.
Bus service to the airport.
【判断题】All teachers must lay down some guidelines for the behavior they expect from their students.
A.
正确
B.
错误
【简答题】What does the teacher expect all her students to do?
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