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【判断题】
热平衡是指当复合等于产生,不再继续进行实现的平衡A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】When the two students dropped out, no one took much notice because______.
A.
they had long lost heart in class performance
B.
they were absent from class too often
C.
they didn't get on well with other students
D.
they were so much cut off from the rest of the class
【简答题】Paragraph 8______.
【简答题】教学系统设计的理论基础不包括（ ）A. 学习理论B. 教学理论C. 系统理论D. 媒体理论
【简答题】a long comfortable seat for two or more people to sit on
【单选题】—Could you tell me ? —About two hours.
A.
how long it takes to fly to Guilin
B.
how long it took to fly to Guilin
C.
how long does it take to fly to Guilin
D.
how long did it take to fly to Guilin