You can’t believe how terrible the fire is _______ you see it with your own eyes.
A.though B.because C.unless D.since
Driving in rush hour traffic ______ be very dangerous, so you _____ be too careless.
A.should; ought to B.could; should
C.might; mustn’t D.can; can’t
Jerry is always so busy that he can hardly _________ a few minutes to talk with his child.
A.spare B.share C.spend D.save
---________ it is from our own planet Earth to Mars!
--- Yes, it takes months to travel to Mars by spacecraft.
A.How soon B.How far
C.How long D.How often
—Jim took ___ one-hour ride just now.What a short time he spent finishing such a long way!
—He is ______ experienced rider.
A.an; the B.a; an
C.a; the D.an; a
书面表达：（满分18分）
根据所给汉语提示写一封信，不少于100个单词。
和大部分学生一样，Carl有太多的作业无暇顾及自己的兴趣爱好，请根据你自身的经验，针对他的问题以“ Jim”的名义采用电子邮件的形式向他提出至少三条建议帮助他节约时间，钻研学业，劳逸结合，缓解压力。
