【題目】請閱讀下面圖文，簡要回答所給問題。

Air pollution in many cities has been more and more serious.Especially in winter，we see a lot of foggy days in North China.PM 2.5 in the air can harm human health.PM 2.5 refers to small particles(顆粒) which are 2.5 micrometers(微米) or less in diameter.

What's the cause of PM 2.5 pollution?

Daily average particulate pollution (PM 2.5)

The 10 worst Chinese cities

The cities in North China are facing a more serious situation than the other parts.For example，Shenzhen and Guilin in the south of China are regarded as smog－free cities.While some cities，like Xingtai，Shijiazhuang and Baoding are among the most polluted cities.

【1】What does PM 2.5 refer to?

______________________________________

【2】What causes the most pollution in Beijing according to the chart？What percent is it?

___________________________________

【3】Are Shenzhen and Guilin smog cities?

___________________________________

【4】Which Chinese city is polluted most seriously according to the chart?

___________________________________

【5】What will you do to reduce air pollution?

___________________________________

【答案】

【1】It refers to small particles which are 2.5 micrometers or less in diameter.

【2】Vehicles.31%.

【3】No，they_aren't.

【4】Xingtai.

【5】I will walk or ride a bike to school./…

【解析】

本文通過一些表格信息呈現(xiàn)了北京市大氣污染的原因及中國北方各城市的環(huán)境污染狀況。

【1】句意：PM2.5指什么？根據(jù)PM 2.5 refers to small particles(顆粒) which are 2.5 micrometers(微米) or less in diameter. 可知PM2.5是指直徑小于等于2.5微米的顆粒物，故答案為原文原句。

【2】句意：根據(jù)表格信息，在北京是什么造成了最多的污染？百分數(shù)是多少？根據(jù)表格信息可知，車輛是引起北京空氣污染的重要原因，所占比重為31%，故本題填Vehicles.31%.

【3】句意：深圳和桂林是煙霧（污染）城市嗎？根據(jù)Shenzhen and Guilin in the south of China are regarded as smog－free cities. 可知其均是無煙城市，故填No，they aren't.

【4】句意：根據(jù)表格信息，中國哪座城市污染最為嚴重？根據(jù)Daily average particulate pollution. （日均顆粒物污染）統(tǒng)計表格，可知邢臺污染最為嚴重，故填Xingtai.

【5】句意：你將會做什么來減少污染？本題為開放性試題，根據(jù)材料內(nèi)容，我們應(yīng)該選擇低碳環(huán)保的出行方式，如騎自行車或步行等。故可填I will walk or ride a bike to school.

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