18. 答案

　　D

　　解析

　　考查名词。在接下来交通繁忙的时间里，作者一直回味着拥抱带来的温暖。warmth“温暖”符合题意。

　　19. 答案

　　D

　　解析

　　考查名词。与协警的拥抱使作者感到快乐，因此心中应该是没有挣扎的。with no inner struggle表示“没有内心的挣扎”。

　　20. 答案

　　A

　　解析

　　考查动词。由第三段内容可知作者主动提出与协警拥抱，此处是说作者鼓励大家抓住机会去表达善意。

　　Ⅱ.阅读理解

　　British singer Sarah Brightman will begin training this year for a 2017 flight to the International Space Station where she hopes to become the first professional musician to sing from space, the company arranging the trip said on Tuesday.

　　Brightman, a famed soprano(女高音) who starred in Andrew Lloyd Webber’s Phantom of the Opera, will pay about $52 million for a 10-day stay aboard the orbital outpost, Tom Shelley, president of privately owned Space Adventures, said.

　　“She’s absolutely 100 percent committed,” Shelley said during a National Space Club Florida Committee meeting. “She’s putting together her mission plan now.”

　　Brightman, who would become the eighth privately funded space tourist, is scheduled to fly in September 2017. Her training to fly on a Russian Soyuz capsule is to begin as early as this fall.

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