6. It can be concluded from Dr.Dubos(remarks that _____.

D. restore

D. Man can escape his responsibilities for environmental protection.

C. diseases with obvious signs are easy to cure

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B. attacks by hidden enemies tend to be fatal

【第四题】写作

【第二题】

If I take this medicine twice a day, it should _____ my cold.

详解：答案B。restore意为“恢复”，与题意不合，可首先扫除。A、B、C三项均有“治疗”之意，但在用法上又略有区别：heal指伤口治愈、康复，通常外伤作主语，如His wound healed slowly.他的伤口愈合得慢。cure多指用药物治疗、治愈，其宾语多是疾病，如：The herbs can cure a wide range of diseases.这种草药可治疗多种疾病。treat指普通的治疗，不强调治愈，常与for连用，如：treat sb. for a disease给某人治病。综上所述，B项为正确答案。

Responsible public health officials have pointed out that the biological effects of chemicals are cumulative over long periods of time, and that the danger to the individual may depend on the sum of the exposures received throughout his lifetime. For these very reasons the danger is easily ignored. It is human nature to shake off what may seem to us a threat of future disaster. "Men are naturally most impressed by diseases which have obvious signs," says a wise physician, Dr.Rene Dubos, "yet some of their worst enemies slowly approach them unnoticed."

A. people find invisible diseases difficult to deal with

C. Man can avoid the effects of environmental pollution.

John regretted _____ to the meeting last week.

【第一题】

C. not having been going

Where do pesticides(杀虫剂)fit into the picture of environmental disease? We have seen that they now pollute soil, water, and food, that they have the power to make our streams fishless and our gardens and woodlands silent and birdless. Man, however much he may like to pretend the contrary, is part of nature. Can he escape a pollution that is now so thoroughly distributed throughout our world?

C. Defensive.

A. Pessimistic.

A. limited exposure to them does little harm to people(s health

C. has sharply increased so as to become the center of public attention

C. the danger does not become apparent immediately

详解：D)。观念题。本文就作者对杀虫剂的环境后果的态度发问。纵观全文可知，作者在文中逐一形容了杀虫剂显著和潜在的两方面风险，提示人们注重其迟缓的长期效应，可见作者对这一成绩是“关切的”D)项)，而非是“漠不关心的”B)项)。同时，作者在文中并未悲天悯人，以为杀虫剂的危害已不可救药，所以A)项“乐观的”也不合乎题意。而C)项“进攻性的”，在文中并无根据，由于在文中作者并未提出该怎么处理杀虫剂的环境后果成绩，因此只要D)是最合乎题意的正确答案。

B. Man acts as if he does not belong to nature.

D. not to be going

B. now occurs most frequently among all accidental deaths

【注释】regret“后悔、遗憾”，后面可跟动名词普通式或实现式，示意对已发生的事件感到“遗憾”或“后悔”;也可跟动词不定式(次要是动词(say，tell，inform等)，示意对将要谈的话“抱歉”。

A. Man appears indifferent to what happens in nature.

他总是说，一个男人应该有尊严、正直、荣誉，法语翻译，更重要的是，协助别人。这对我的影响很深，我正致力，就是为了有一天成为一个像我父亲一样的男人。

详解：

详解：C)。推断题。本题可用挑选法，逐一扫除谬误答案。人们容易漠视吸入有毒化学物质所带来的提前后果，到底是由于什么呢?先看A)：有限的排汇不会给人类瘦弱带来危害。根据第三段内容可知，有毒化学物质的生物效果是累积的，而且累积越多，风险越大，因此，即使是有限的排汇，也会有潜伏的风险，可见A)项内容谬误。异样D)项“人类能经受住小剂量有毒物质危害”显然也不对。再看B)：如今比将来重要。根据最后一段第三句，人类的本性是会忽略将来的风险的，但这并不等于说如今就更重要，所以B)项也没有正确解释本题中的缘由。只要C)项“风险并没有立刻显示进去”，合乎原文意旨，顺便是最后一句的句意，所以C)是正确答案。

A. climate

【第三题】

详解：应选A项。climate(可数名词)意为“(一个地区或一个期间总的)气象”;weather意为“(指每日每时的晴阴，温度)天气”;state意为“状况，形状”。

D. is unavoidable because people can(t do without pesticides in farming

The current political _____ of our country is favorable for foreign investments.

The people I respect the most is my father.

We know that even single exposures to these chemicals, if the amount is large enough, can cause extremely severe poisoning. But this is not the major problem. The sudden illness or death of farmers, farm workers, and others exposed to sufficient quantities of pesticides is very sad and should not occur. For the population as a whole, we must be more concerned with the delayed effects of absorbing small amounts of the pesticides that invisibly pollute our world.

He always said, a man should have dignity, integrity, honor, and most of all, be helpful to others. This affected me deeply, so I work hard so that someday I can be the man like my father.

2. Which of the following is closest in meaning to the sentence "Man, ... is part of nature."(Line 4,Para.2)?

B. cure

D. Concerned.

6.Best Answer: D

D. people tend to overlook hidden dangers caused by pesticides

或