第33题: [单项选择]According to the passage, a conversation between two Americans may break down due to _______ A. temporary glancing away from the listener B. eye contact of more than one second C. improperly-imed ceasing of eye contact D. constant adjustment of eye contact 参考答案:C 答案解析:第二段第三句指出,两个美国人谈话时如果没有互相注视,说话者会认为互相不感兴趣,谈话会终止,直到互相注视为止。
第34题: [单项选择]当归药材粉末镜检可见() A. 乳汁管 B. 油室 C. 油管 D. 油细胞 E. 树脂道 参考答案:B