閱讀理解

　　Air quality in Shanghai worsened last week compared with the previous weeks, according to the latest report from the Shanghai Environment Monitoring Centre．

　　The average air pollution index(API)for sulphur dioxide(SO2)remain almost unchanged from the previous week, but the APIs for nitrogen oxide(NO2)and total suspended(懸浮)particles(TSP)rose by 35 and 27 percent．

　　The overall quality still belonged to class 2 category．Nitrogen oxide, caused mainly by vehicle exhaust and burning of cooking gas, was still the major pollutant of the week．

　　The Shanghai Environmental Monitoring Centre operates six automatic air monitors in the city’s Putuo, Yangpu, Luwan, Hongkou, Jing’an and Xuhui districts．

　　0～50：excellent

　　51～100：good

　　101～200：slight pollution

　　201～300：medium pollution

　　301～400：heavy pollution

(1)

Judging from the chart, on which day was the air quality the worst?

[　　]

A．

October 13．

B．

October 14．

C．

October 17．

D．

October 18．

(2)

Which of the following can be used to describe the air quality of the week?

[　　]

A．

Good．

B．

Seriously polluted．

C．

Excellent．

D．

Slightly polluted．

(3)

Six automatic air monitors are operated in the city except ________．

[　　]

A．

Putuo District

B．

Xuhui District

C．

Chang’an District

D．

Hongkou District

(4)

In Shanghai, nitrogen oxide mainly comes from ________．

[　　]

A．

the burning natural gas

B．

the burning cooking gas

C．

the burning coal

D．

dust raised by vehicles

(5)

This passage is obviously taken from ________．

[　　]

A．

a magazine about air pollution

B．

a scientific report from TV

C．

the weather column in a newspaper

D．

the traveling guide to Shanghai

答案：1．B;2．A;3．C;4．B;5．C;
解析：

(1)

根據(jù)上面圖表可知，只有在10月14日NO2含量最高。

(2)

根據(jù)圖表數(shù)據(jù)可知，本周NO2含量平均值在100以下；其他的平均值也在50左右，所以，本周的空氣質(zhì)量標(biāo)準(zhǔn)在50～100之間。

(3)

細(xì)節(jié)理解題。根據(jù)“The Shanghai Environmental Monitoring Centre operates six automatic air monitors in the city’s Putuo, Yangpu, Luwan, Hongkou, Jing’an and Xuhui districts”可知C項(xiàng)不屬于監(jiān)測(cè)范圍內(nèi)。

(4)

細(xì)節(jié)理解題。根據(jù)“caused mainly by vehicle exhaust and burning of cooking gas”可知，二氧化氮主要來(lái)自汽車尾氣和煤氣的燃燒。

(5)

常識(shí)題。空氣質(zhì)量方面的變化是經(jīng)常的，所以應(yīng)出現(xiàn)在更新性強(qiáng)的報(bào)紙中。


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閱讀理解。
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Category　　　　　　　　　　　　　　　　 1998　　　　1999 　　　　　　　　　　　　　　　　　　　　　                                                                       (percent)　 (percent) 　　
Flight problems…………………………………   20.0%　　　 22.1% 　　
Baggage …………………………………………  18.3%　 　　21.8% 　　
Customer service ………………………………   13.1%　　　 11.3% 　　
Over sales of seats ……………………………… 10.5%　 　　11.8% 　　
Refund problems ………………………………   10.1%　　　  8.1% 　　
Fares ……………………………………………   6.4%　　　   6.0% 　　
Reservations and ticketing ………………………  5.8%　　　   5.6% 　　
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Credit ……………………………………………  1.0%　　　   0.8% 　　
Special passengers ………………………………  0.9%　　　   0.9% 　　
Other ……………………………………………   6.2%　　　   5.3% 　　
Total　　　　　　　　　　 　　　　　　　   100.%　 　   100.%　 　　
Total Number of Complaints　　　 　　　        22,988　　　 13,278 49
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[     ]
A. 133 　　
B. 220 　　
C. 230 　　
D. 1,220
2. By about what percent did the total number of complaints decrease from 1998 to 1999?
[     ]
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B. 60% 　　
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D. 100%
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    III. From 1998 to 1999 the number of Flight problem complaints increased by more than two percent.
[     ]
A. I only 　　
B. II only 　　
C. I and II only 　　
D. I and III only

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