[填空题] Everyone wants to have good eyesight, and in many kinds of work it is very important to have good eyesight. The men who drive buses and (11) _________ their planes must have excellent eyesight. People who make cameras and radios must (12) _________ see very well, too. Many young children spoil their eyesight by reading in badly-lit places. (13) _________ and sleep are important for good eyesight: If you eat the wrong kinds of food or you do not have (14) _________, you will not have good eyesight. If your eyesight is not good, however, you should see an optician. An optician is a person who can test your eyesight and make (15) _________. Some girls would rather try to see without glasses than wear glasses. But it is very foolish to spoil your eyes in this way.

[填空题] Everyone wants to have good eyesight, and in many kinds of work it is very important to have good eyesight. The men who drive buses and (11) _________ their planes must have excellent eyesight. People who make cameras and radios must (12) _________ see very well, too. Many young children spoil their eyesight by reading in badly-lit places. (13) _________ and sleep are important for good eyesight: If you eat the wrong kinds of food or you do not have (14) _________, you will not have good eyesight. If your eyesight is not good, however, you should see an optician. An optician is a person who can test your eyesight and make (15) _________. Some girls would rather try to see without glasses than wear glasses. But it is very foolish to spoil your eyes in this way.

[填空题]A good many (build) have been burnt during the fire.

[填空题]A good many (build) have been burnt during the fire.

[填空题]A good many (build) ______ have been burnt during the fire.

[单项选择]Many good movies have been produced recently ，but I still prefer to watch old movies because they are more interesting．（）
A. 人们对电影是有兴趣的，特别是对老片子，所以我主张放映老片子.
B. 近来拍了很多好的影片，既古老又饶有趣味，我觉得人人都喜欢看.
C. 近来制作了很多好影片，但是我还是喜欢老片，因为老片更有趣.
D. 很多好的影片是最近拍的，但我依然觉得过去拍的影片很有意思.

[单项选择]Successful innovations have driven many older technologies to extinction and have resulted in higher productivity, greater consumption of energy, increased demand for raw materials, accelerated flow of materials through the economy and increased quantities of metals and other substances in use per person. The history of industrial development is full of examples.
In 1870, horses and mules were the prime source of power on U. S. farms. One horse or mule was required to support four human beings—a ratio that remained almost constant for many decades. At that time, had a national commission been asked to forecast the horse and mule population for 1970, its answer probably would have depended on whether its consultants were of an economic turn of mind. Had they been "economists", they would have recognized that the power of steam had already been harnessed to industry and to land and ocean transport. They would have recognized further that would be only a matter of time before steam w
A. Older technologies die away.
B. The quality of life is improved.
C. Overall productivity increases.
D. More raw materials become necessary.

[单项选择]