It is important that they be looking at the speaker at the precise moment when the speaker reestablishes eye contact: if they are not looking, the speaker assumes that they are disinterested and either will pause until eye contact is resumed or will terminate the conversation.

【正确答案】正确答案：重要的是，当说话者想再次与听众进行目光交流时，听众此刻要注视着说话者，否则，说话者会以为听众对自己的话不感兴趣，因此他要么会停顿一下，直到目光重新再交流，要么就会结束谈话。

【答案解析】解析：句子主干：It is important that…：if they are…，the speak assumes that…and either…or…。It为形式主语，that they be…为真正的主语；be looking at为虚拟语气；when the speaker…为定语从句修饰moment; if they are…为条件状语从句，主句为the speaker assumes that…。