四六级考试

【单选题】 Lip-reading is difficult in that ______.
A．it needs special training and a lot of practice
B．the lip reader has to focus on the other person constantly
C．the lip reader has to give tip normal life styles
D．lip-reading disturbs the work of a heating aid

网考网参考答案：B
网考网解析：
细节题。 [解析] 根据题干中的关键词lip-reading定位到原文第二段首句Lip-reading is difficult，demands intense concentration，and an uninterrupted direct view of the speaker's face，由此可判断，唇读时，需要你一直注意着对方。 查看试题解析出处>>