[A] has to be taught how to play

　　[B] likes a toy

　　[C] matures through play

　　[D] can grow up with toys

　　47. Toys have several functions except___

　　[A] helping children to play

　　[B] urging children to play

　　[C] recommending ways for children to play

　　[D] asking children to play

　　48. The passage tells us that children are the most curious when they are about___

　　[A] four years old

　　[B] six years old

　　[C] one year old

　　[D] two years old

　　49. The passage is about___

　　[A] the importance of education

　　[B] the importance of play

　　[C] the children’s speech development

　　[D] the relationship between play and study

　　50. Which of the following does the author NOT express?

　　[A] The function of toys is to inspire play.

　　[B] Good toys are very important to the children’s growth.

　　[C] Toys should be chosen according to children’s ages.

　　[D] Toys are still the main source of learning for a student.

　　51. Now a nation’s political influence depends on___

　　[A] the strength of its military forces

　　[B] its ability to compete in industry

　　[C] economic markets

　　[D] both A and B

　　52. The Soviet Union was not being listed as a third-world nation just because of___

　　[A] it’s powerful military forces

　　[B] it’s vast land

　　[C] it’s industrial competitiveness

　　[D] it’s contributions to world peace

　　53. The author indicates that___is threatening American political power.

　　[A] other countries

　　[B] the declining U.S. industrial base

　　[C] a new standard for measuring power

　　[D] less advanced technology

　　54. America succeeded in shaping world events over the past 40 years probably because of___

　　[A] it’s ability .to adapt technology

　　[B] it’s ability to take advantage of the capabilities of its people

　　[C] it’s ability to compete in the world markets

　　[D] both A and B

　　55. The purpose of writing this article is___

　　[A] to draw the readers’ attention to a new standard for measuring power

　　[B] to demonstrate America political influence in the world

　　[C] to emphasize that effort must be made to strengthen the declining U. S, industrial base

　　[D] to show American industrial prowess

　　56. This passage is mainly concerned with___

　　[A] people's growing interest in natural foods

　　[B] natural food and healthy diet

　　[C] the importance of fibre in foods

　　[D]harrnful effects of sugar

　　57. The passage tells us that___

　　[A] sugar is bad for the health

　　[B] the use of sugar is habit forming

　　[C] people need sugar to give them energy

　　[D] sugar provides us with nothing useful

　　58. Which of the following is a reason for people’s growing interest in natural foods?

　　[A] They want to return to nature.

　　[B] They want to eat all kinds of foods.

　　[C] Natural foods are very delicious.

　　[D] They are more health conscious.

　　59. Food that is rich in organic matter___

　　[A] has been nourished by fertilizers

　　[B] contains vegetable matter that has not been consumed

　　[C] has had chemicals and fertilizer added to it

　　[D] contains large quantifies of vitamins

　　60. Which of the following is NOT mentioned in the passage?

　　[A] Chickens are fed on food which is little better than garbage.

　　[B] Chickens live in very crowded condition.

　　[C] The eggs chickens produce lack vitamins.

　　[D] Chickens are free to move about.