He lives in the building       roof is red.
A. whose                B. that             C. which

This is the man with _______ I talked just now.

A. who      B. that         C. which      D. whom

The widespread number of food scandals ( 丑闻) in China is making many people pause before they put their chopsticks in their mouth. They are wondering if the food they are eating is clean, healthy and nutritious or does it contain something harmful that will cause disease?
Most of the food we eat today is processed food( 加工食品). That means the foods we buy in stores and supermarkets, especially packaged foods, are prepared in factories. Chemicals are added to the foods in these factories to make them look better, taste better and last longer on the shelf. The chemicals are supposed to be harmless and there are laws that regulate which chemicals can and cannot be used. Unfortunately, some producers do not obey the laws.
A producer of steamed buns (馒头) in Zhejiang Province was recently discovered to be breaking the law. He was adding yellow dye and other banned chemicals to the buns. He was also taking old buns and using them to make new buns. Most of the buns were sold to schools and eaten by students. . . like you’
Why did he do it? Why did he break the law and endanger people’s health? The answer is simple: he wanted to make more money. It was a moral failing, and this is at the heart of the food scandals in China. Too many people focus on making money and not on the effects their actions can have on others.
【小题1】 Chemicals are added to the foods in the factories because _____.

根据短文内容，用方框中所给词的适当形式填空，并用其正确形式填空，使短文完整，正确。（每个词只能用一次；共10分，每小题一分）

Light travels at a speed(速度) which is about a million times faster than that of sound .【小题1】
    One second, light travels about 300000 kilometers, but sound travels only 340 【小题2】     .  You can get some idea of this difference by 【小题3】________ the start of a running match. If you stand far away from the starter(发令员), you can see smoke【小题4】________ from his gun before the sound reaches your ears.
The 【小题5】     speed of light produces some strange facts. The 【小题6】    star is so far away that light which you can see from it tonight started to travel to you  four years 【小题7】________ at a speed of nearly two million kilometers every minute. The light from some of tonight's started on【小题8】 ________ journey towards you even before you were born.
So, if we want to be honest(诚实), we can not say , " The stars are shining 【小题9】 ________tonight."  We have to say, " The stars look nice. They were 【小题10】_______ four years ago but their light has just reached our earth. "

--- Do you like to visit a place____ history is very long.

A. that B. which C. who D. whose