一、翻译
The idea___(电脑能识别人的声音)surprises many people.
I have no idea___(该选哪一个).
The problem___(我们是否做这个实验)has been solved.
The question___(谁将出国)needs considering.
Professor,I want to know___(50年后我们的日常生活会是怎么样).
Dr Smart,my question is___(全球变暖对地球会有什么影响).
Professor,can you predict___(污染能否被制止住)?
Dr Smart,I want to know___(将来我们会不会有足够的食物供养不断增长的人口).
Professor Smart,my question is___(太空航行什么时候能变得既简便又便宜).
Professor,who will win the debate on___(是否应该允许克隆人类)?
Dr Smart,Iwould like to know___(会不会又更多无法治愈的疾病).
Professor,what is your prediction about___(地球什么时候死亡).
二、Join two sentences with an appositive(同位语)clause.
1、Two thirds of all Britain girls are on a diet is a fact.
It worries their parents and teachers a lot.
2、The British Prime Minister was on a three-day visit in China.
We heard the news last night.
3、Teenagers shouldn't spend too much time online.
The view is shared by many British parents.
4、Mobile phones stop teenagers from spending money on dresses on cigarettes.
There is no scientific proof for the idea.
5、Chinese students should be givern more free time.
The suggestion is welcomed by many people,especially kids in school.