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【判断题】
The goal of CLT is to develop students’ communicative competence.A.
正确
B.
错误
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举一反三
【简答题】与PC和ABS相比, PC/ABS合金性能上 有何特点?
【单选题】All speakers produce summaries of the sessions they gave. The speakers should write ______.
A.
a proposal for their session.
B.
a brief report about their session.
C.
full details of what is in their session.
【简答题】2013年9月，中国华北华中地区发生了严重的雾霆天气，北京、河北、河南等地的空气污染升为6级空气污染，属于重度污染。汽车尾气、燃煤废气、冬季取暖排放的CO 2 等都是雾履形成的原因。 （1）汽车尾气净化的主要原理为;2NO(g)＋2CO(g) N 2 （g)＋2CO 2 （g) △H＜0，在一定温度下，在一体积固定的密闭容器中充入一定量的NO和CO在t 1 时刻达到平衡状态。 ①能判断该反应达到...
【单选题】It can be inferred from the conversation that
A.
the two speakers are the student and the professor.
B.
the development of Iarge cities in the developing countries is not balanced.
C.
the large cities in the developing countries grew as rapidly as those in the developed countries.
D.
it's easy to solve the problems of the large cities.
【简答题】PC/ABS合金性能上与PC和ABS相比,有何特点?
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