練習：

　　1. Which of the following is NOT true of chronic diseases in the US？

　　A)They account for 70% of all deaths.

　　B)They are responsible for most of the health care costs.

　　C)They often result in unhealthy lifestyles.

　　D)They are largely preventable.

　　2.The author mentions all the following as ways of disease prevention EXCEPT

　　A)better diet.

　　B)increased exercise.

　　C)reduction on smoking.

　　D)higher survival rate for cancer.

　　3.The article indicates that more money spent on disease prevention will mean

　　A)greater responsibility of the government.

　　B)much less money needed for disease treatment.

　　C)higher costs of health care.

　　D)more 1ifestyle choices for people.

　　4.The $15 million program is aimed at

　　A)promoting disease prevention.

　　B)building more sidewalks.

　　C)helping needy communities.

　　D)wiping out chronic diseases.

　　1. Early cancer screening can help reduce significantly

　　A)the death rates for all chronic diseases.

　　B)the kinds of cancer attacking people.

　　C)the cancer incidence rate.

　　D)cancer death rate.

　　答案與題解：

　　1. C 從文章的第三、六段分別可以看出，在美國，70%的死亡時由慢性病造成的，絕大多數(shù)醫(yī)療費用也花在慢性病的治療上，而不健康的生活方式會引發(fā)慢性病，而不是慢性病引發(fā)不健康的生活方式。慢性病很大程度上是可以預防的。

　　2. D 從文章的第二、四段可以排除A、B和C三個選項。

　　3. B 從文章的第三、六、七段可以看出，慢性病的治療花費極高。適當投資于疾病的預防可以大大減少這種花費。

　　4. A 從文章第一段可以看出，該項目的主要目的是促進疾病的預防。

　　5. D 從文章的最后一段可以看出，早期癌癥檢查有助于大大提高癌癥存活率，即大大降低癌癥死亡率。