unit1411. It has been proved that (我们的肤色取决于遗传).12. A lot of people nowadays have muscular problems in the neck, the shoulders and the back _____ (主要是由于工作中的压力
unit136. _______________(让世界发展如此之快的)is the modern science and technology.7. A student must treasure his time and ________________(吸收尽可能多的知识)to lay a solid foundat
unit121. This substance _______________(反应速度是另外那种物质的三倍).2. Be quick, _______________(否则等我们到达教堂时婚礼就结束了).3. The war went on for years, _______
unit1111. _______________(不管观众中的一些人如何使劲地难为他), the comedian always had a quick, sharp reply.12. It is not yet known _______________(机器人是否有一天能拥有
unit106. _________________ (他真正希望得到的东西) is encouragement from his parents and teachers.7. It was advised that _______________(在居民区设立更多的流动商店).8. Why didn&r
unit91. (不论演奏过多少回),the works of Beethoven always attract large audiences.2. When you get men into that state of anger, ________________(他们很容易出麻烦).3. ___________________
Unit 81. I have kept that portrait__________________________(我每天能看到的地方), as it always reminds me of my university life.2. ______________________ (我们经理正在拜访一个重
Unit 71. Tom should__________________________(明事理，不至于找迪克帮忙).2. __________________________(打碎的玻璃杯怪不着孩子们), because the room was too dark.3. None of us____
Unit 51. When I woke up, I found myself__________________________(躺在床上).2. Jack wishes that__________________________(他学的是贸易而不是历史)when he was in university.3. Fifty years
Unit 41. I was halfway back to the cottage where my mother lived __________________________ (就在那时那男的追上了我).2. __________________________(温度下降得这么迅速), we couldn't