高一英语语法填空专项练习
（一）
第二节语法填空（共10小题，每小题1.5分，满分15分）
Do you ever wonder why you yawn? Why do you open your mouth wide and take a deep breath? Well, a scientist at the University of Maryland is searching for the answer.
Professor Robert Provine has been studying yawning for the past two years. But he says he still does not know 31 people yawn. In fact, no one seems to know much about it. Professor Provine’s students have helped him find out more about yawning. They agreed to 32 (watch) while sitting alone in small rooms. In the rooms, they watched television programs, or pictures of people yawning. Or they just sat and 33 (think) about yawning. Students also kept records of when they yawned throughout the day.
The professor says he has learned 34 number of things from these experiments. He says yawning seems linked in some way to sleeping. His students yawned most just before sleeping or 35 waking from sleep. He also found that people yawn much when they are __36 (bore ) or not interested in what they are doing.
Now, Professor Provine is planning future experiments to help him find the purpose of yawning. He said there is some evidence 37 yawning is linked to 38 (excite). Yawning is common among runners 39 (wait) to begin a race. It is also common among people waiting to make a speech.
Professor Provine says he is most interested in learning why seeing someone yawn makes others yawn as well. He says almost anything connected with yawning can make people yawn. As a matter of fact, I found 40 yawning a lot as I prepared this report. I wonder if hearing it can make you yawn. If it does, excuse me, if you did yawn, write and tell me.
答案：31.why 32.be watched 33.thought 34.a 35.after
36. bored 37.that 38.excitement 39.waiting 40.myself
（二）
第二节语法填空（共10小题; 每小题1.5分，满分15分）
Traditional Chinese culture places much emphasis（重视）on food. Considered to be an important part of each day, __31 __(eat) is far beyond simply meeting a need. However, people are living in fast-paced society now, so they hardly have time to enjoy their food. They need fast food. That is _32_ China’s fast-food market expands.
A foreign fast-food restaurant __33__（call）KFC arrived in China first, quickly followed by _34_ such as Pizza Hut and McDonald’s. __35__ the development of China, foreign fast-food chains are realizing high-speed __36__ (grow) in China. However, these “junk foods”have long been criticized by health experts because __37__ can’t provide balanced nutrition(营养). The experts also show that some foreign fast food contains a food colouring, Sudan I , __38___can cause cancer.
In fact, China has many of its own traditional fast-food dishes. Among them, dumplings, soybean milk and noodles are __39__ most popular. Compared with foreign fast food, those traditional ones are healthier. __40__ many Chinese still enjoy the special taste and the good environment in the foreign fast-food chains even though there exist some potential（潜在的）risks.
第二节语法填空(共10小题；每小题1.5分，满分15分)
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填人一个适当的词或
