单选题
英语六级
2017-06-06
A． By pausing.
B． By raising pitch.
C． By lowering registers.
D． By pointing to a chart.
参考答案
A
答案解析
According to the lecturer，how can a speaker indicate that the topic is about to change?
【解题思路】四项都是以by开头的短语，考查的是做事方式。
【解析】听力短文中的signal transitions与问题中的indicate that the topic is about to change同义，并且录音最后还对停顿(pause.什么有用做出了解释，因此答案为A。
【解题思路】四项都是以by开头的短语，考查的是做事方式。
【解析】听力短文中的signal transitions与问题中的indicate that the topic is about to change同义，并且录音最后还对停顿(pause.什么有用做出了解释，因此答案为A。
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