第四部分：阅读理解(第31～45题，每题3分，共45分)
下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案涂在答题卡相应的位置上。
31 One characteristic of weather maps not mentioned by the author in this passage is __________．
A wind speed
B thermal changes
C fronts
D barometric pressure
32 The thirty-day forecast is determined by examining __________．
A upper air levels
B satellite reports
C changing fronts
D daily air maps
33 The observation of weather conditions by satellites is advantageous because it __________．
A gives the scientist information not obtained readily otherwise
B enables man to alter the weather
C uses electronic instruments
D is modern
34 A weather map is synoptic because it __________．
A summarizes a great deal of information
B can be interpreted accurately
C appears daily
D shows changing fronts
35 At the present time， experiments are being conducted in __________．
A 30-day outlook
B controlling storms
C satellites
D manipulating weather
36 Many immigrants swarmed into streets in the US in early 2006， demanding that they should be treated as __________．
A animals
B citizens
C civilians
D criminals
37 Some Canadian officials want to keep the door open because __________．
A Canada is in desperate need of talented people
B Canada can feed a much larger population
C Canada is suffering from labor shortage
D Canada is a multicultural country
38 What has the Spanish Government decided to do? __________
A Help immigrants find proper jobs.
B Let immigrants freely enter the country.
C Integrate immigrants into the Spanish culture.
D Take tough measures against illegal immigration.
39 After Frances new immigration and integration law takes effect，it will __________．
A lure overseas students back home
B undermine the unity of the country
C drain developing countries of talent
D induce resentment among the French workers
40 The phrasal verb rounding up in paragraph 1 could be best replaced by __________．
A capturing
B encircling
C separating
D frightening
41 A policeman has to be trained in criminal law because __________．
A he must be able to tell when and where a crime is committed
B he must justify the arrests he makes of criminals
C he must behave as professional lawyers do
D he must work hard to help reform criminals
42 What is the most suitable word that describes the work of a policeman according to the passage? __________
A Distressing.
B Dramatic
C Dangerous.
D Demanding.
43 According to the passage， policemen spend most of their time and efforts __________．
A consulting the rules of law
B collecting and providing evidence
C tracking and arresting criminals
D patrolling the street， rain or shine
44 Whats the policemans biggest headache? __________
A He has to justify his arrests while unable to provide sufficient evidence in most cases.
B He has to provide the best possible public service at the least possible expense.
C lie has to get the most desirable results without breaking the law in any way.
D He can hardly find enough time to learn criminal law while burdened with numerous
criminal cases.
45 Why do policemen feel separated from the rest of the world? __________
A Because they feel superior to simple-minded people around them.
B Because they are suspicious of the people around them.
C Because they do not receive due support from society.
D Because they find people insincere to them.