第二节 听取信息(共5小题,每小题1分,满分5分)
听下面一段对话。请根据题目要求,从听到的内容中获取必要的信息,填入答题卷标号为16-20的空格中。录音播放两遍。你有90秒钟的作答时间。
An introduction to a course
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Name of the course |
(16) __________________ |
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Lessons’ beginning time each day |
At
(17) _____________ |
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Class schedule |
|
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Time |
content |
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1st class on Monday |
Grammar practice |
|
After a break |
A double lessons of (18) _______ |
|
After Tuesday morning’s break |
Vocabulary development |
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After listening skills on Wednesday morning |
Current affairs |
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Thursday begins with |
(19) _________________ |
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After Friday’s break |
The (20) ___________ period |
17.(10分)
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(2)TiO2+2Cl2+2C
TiCl4+2CO(2分)
2Mg(s)+TiCl4(l)=2MgCl2(s)+Ti(s) △H=-512 kJ·mol-1(2分,状态不写得0分)
(3)Mg、Cl2(共2分,各1分)
(4)正(1分) TiO2+4e-=Ti+2O2-(2分)