【正文】
he population, it is likely that their degree of intelligence will be pletely different. If we take two identical twins, they will very likely be as intelligent as each other. Relations like brothers and sisters, parents and children, usually have similar intelligence, and this clearly suggests that intelligence depends on birth. Imagine that we take two identical twins and put them in different environments. We might send one, for example, to a university and the other to a factory where the work is boring. We would soon find differences in intelligence development, and this indicates that environment as well as birth plays a part. This conclusion is also suggested by the fact that people who live in close contact with each other, but who are not related at all, are likely to have a similar degree of intelligence. Questions 3 and 4 are based on the passage you39。ve just heard.3. Which of the following can best serve as a title of the passage?4. What does the example of sending the twins to different places show us? 重點(diǎn)單詞及詞組Part Abloodsucking 吸血?jiǎng)游锏膍osquito 蚊子malaria 瘧疾gallon 加侖pesticide 殺蟲(chóng)劑Part Bpetent 有能力的opposition 反對(duì),敵對(duì)fulfillment 履行,實(shí)行Part Canxiety 憂(yōu)慮occasional 偶然的intelligence 智力