为了确保他能在家，我们最好提前给他打个电话。

　　4．To our relief, the missing child returned home ten days later, tired_but_healthy.

　　让我们感到宽慰的是，那个丢失的小孩子十天后返回了家里，疲惫不堪却很健康。

　　5．He was on the point of leaving when_someone_knocked_at_the_door.

　　他正要走，这时有人敲门。

　　6．Old folks and children are all against the proposal, not_to_mention the youth.

　　老人和小孩都反对这个提议，更不用说年轻人了。

　　Ⅳ.课文语法填空

　　PIONEERS OF SCIENCE

　　Ⅴ.串点成篇微表达

　　玛丽做过很多不同的工作，从服务员到(range from ... to ...)电脑程序编制员(programmer)。但这一次她对于这份新工作左右为难(in a dilemma about ...)。两天了，她还没有得到面试的结果(outcome)，在此期间(in the meantime/meanwhile)她会继续努力工作。她确信她会成功。

　　Mary_has_done_a_number_of_different_jobs,_ranging_from_waitress_to_programmer.But_this_time_she_is_in_a_dilemma_about_this_new_job.She_hasn't_got_the_outcome_of_the_job_interview_for_two_days,_and_in_the_meantime/meanwhile_she_continues_to_work_hard.She_is_sure_that_she_will_succeed.

　　二、勤练高考题型，多练自能生巧

　　Ⅰ.阅读理解

There's new evidence that too much screen time early in life can change the circuits (回路) in a growing brain.Scientists disagree, though, about whether those changes are helpful, or just cause problems.