Question

【题目】Complete the following passage with the words or phrases in the box. Each can only be used once.(将下列单词或词组填入空格，每空格限填一词，每词只能填一词)

A. Reduce B. care about C. called on D. main E. half of

The streets of Dalian, Liaoning were covered by snow a week before Spring Festival. However, instead of staying at home, Li Chunyuan, a junior one student at No. 42 Middle School, went out with her classmates. They made posters themselves and 【1】 people not to set off fireworks.

The students did this to try to 【2】 air pollution. Since January, many cities in China have seen a lot of foggy days. In Beijing, only five days in January were free of smog. Smog is dirty air that looks like fog and smoke.

An official for the Ministry of Environmental Protection told Beijing news that PM2.5 pollution is the 【3】 problem with air pollution. PM2.5 to pollution with small particles 2.5 micrometers or less in diameter(直径).

According to the Chinese Academy of Science, two major factors that cause PM2.5 are motor vehicles and the burning of coal.

Poor air has done harm to people’s health. Children and the elderly are more at risk. Areport form Beijing Children’s Hospital shows that from Jan 5th to 11th, 【4】 the patients in the internal medicine department came for respiratory(呼吸道的) problems.

A. set off B. efforts C. closely D. take action E. decision

To respond to the air problem, the Chinese government and many Chinese people have started to 【5】. People are called on to make full use of energy and resources and cut down on energy use.

Beijing announced plans to use clean fuel in government vehicles and plant trees. It also asked citizens to 【6】 fewer fireworks for the Spring Festival celebration.

Three students from No. 4 High School in Beijing wrote a report to advise how to fight the air pollution. They suggested that cars with large emissions(排放) should be banned(禁止) and factories should be 【7】 watched.

“We hope more people will join us in making a difference. With all our 【8】. The blue skies will certainly return for good,” said Shi Yucong, one of the three students.

Indeed, air problems and environmental protection have become a concern for the whole nation.

Answer 1

【答案】

【1】C

【2】A

【3】D

【4】E

【5】D

【6】A

【7】C

【8】B

【解析】

文章大意：本文主要讲述了中国的空气污染问题，PM2.5污染是空气污染的主要问题。据中国科学院称，机动车和燃煤是造成PM2.5的两大主要因素。为了应对空气问题，中国政府和许多中国人已经开始采取行动，号召人们充分利用能源和资源，减少能源使用。春节前一周，辽宁省大连市42中学一年级的学生李春元和同学们一起自己制作海报，并呼吁人们不要燃放烟花；北京宣布了在政府车辆上使用清洁燃料和植树的计划，还要求市民在春节期间少放烟花；北京第四中学的三名学生写了一份报告，建议如何对抗空气污染。事实上，空气问题和环境保护已经成为全国关注的问题。

【1】根据They made posters themselves他们自己制作海报，以及people not to set off fireworks.人们不放烟花，结合选项可知应是“呼吁”人们不放烟花，call on号召、呼吁，由前面的谓语动词made，可知句子时态是一般过去时，所以应用called on，故答案选C。

【2】根据The students did this to try to __2__ air pollution.联系上文语境，可知学生们这样做是为了减少空气污染，this指的是学生们自己制作海报并呼吁人们不放烟花这件事，结合选项可知reduce“减少、降低”符合题意，故答案选A。

【3】根据下文PM2.5 to pollution with small particles 2.5 micrometers or less in diameter. PM2.5以直径2.5微米以下的小颗粒污染为主，结合PM2.5 pollution is the __3__ problem with air pollution.可知句意为“PM2.5污染是空气污染的主要问题。”结合选项可知main“主要的”符合题意，故答案选D。

【4】根据__4__ the patients in the internal medicine department came for respiratory(呼吸道的) problems.结合选项可知E选项half of“一半”符合题意，half of the patients一半的病人，句意为：内科有一半的病人是因为呼吸问题而来的；故答案选E。

【5】根据To respond to the air problem,为了应对空气问题，结合the Chinese government and many Chinese people have started to __5__.可知，接下来中国政府部门和民众都开始采取行动了，take action采取行动，故答案选D。

【6】根据It also asked citizens to __6___ fewer fireworks for the Spring Festival celebration.结合备选词汇，可知句意为“它还要求市民在春节期间少放烟花。”set off点燃、燃放，ask sb.to do sth.要求某人做某事，故答案选A。

【7】根据They suggested that cars with large emissions(排放) should be banned(禁止)，他们认为大排放的汽车应该被禁止出行，结合and factories should be closely watched.及备选词汇，可知句意应是“工厂也应该受到严密监督”，closely严密地、紧密地，副词，修饰后面的动词watched，故答案选C。

【8】根据下文The blue skies will certainly return for good. 蓝天一定会永远回归，结合With all our __8__.可知，希望有更多人加入我们的行列，作出改变，然后“用我们所有的努力”，蓝天一定会永远回归，efforts努力，with all our efforts尽我们所有的努力，故答案选B。