31.The supermarket sells various kinds of things, (从衣物食品到电脑游戏) 32.The new type of machine has been put in service, (让我们年底完成工程成为可能)8 j7 s! z* o x2 x. ]4 C
33. It is true that humans have an extraordinary genius for working wonders, but (污染仍是当前及未来最严重的问题之一)! b" W5 X/ j! m( i! s% A, s
34. It is true that the world faces problems of pollution, but (这个问题可以通过全球的努力加以控制)9 ?% T- U1 u+ |3 `8 w- r
35.(在任何一个存在种族歧视的社会里), there will always be tension.36.Some people say that in the next 30 years the population of Antarctica will grow steadily, (印度也同样)3 C4 ]4 U1 T- r) Y& g" _
37. Someday, perhaps, (科学家能够准确地预报地震)
1 b& ]" @/ x, h9 n+ G0 ]38.(整夜他清醒地躺在床上)worrying about his financial problems.39.It is widely accepted that (社会的整个结构都依赖于相互信任)
+ V1 D. I2 r8 Q3 m40. By six thirty every morning, (操场上满是晨练的学生) |