C
①Do you know huinantian, or ongoing(不间断的) wet weather?
②Huinantian is a special kind of weather in southeast China in spring, when it becomes warmer and warmer. Before it comes, there are usually a few cold days, with a temperature
below 12 ℃. After the cold air goes away, warmer air quickly comes and gets cooler, making a lot of water vapor(水蒸气). So you can see small water drops on windows and walls.
③Ongoing wet weather makes it easy for bacteria(细菌) to grow. Food goes bad easily, clothes stay wet, and sofas can get moldy(发霉的). TV sets may break down when they get wet inside. It's dangerous because you may get an electric shock(电击) when turning them on.
④▲ So catching a cold is common during this time as the temperature changes quickly. It's best for us to look after ourselves well.
()46. Which city of China can have huinantian in spring?
A. Beijing.
B. Xi'an.
C. Lanzhou.
D. Guangzhou.
()47. Which of the following is the right order of the formation(形成) of huinantian?
a. Warmer air quickly comes.
b. The cold air goes away.
c. There are a few cold days.
d. Warmer air gets cooler.
A. cabd
B. cbad
C. acbd
D. abcd
()48. Which of the following sentences can be put in(放到) “▲”?
A. The weather changes very quickly.
B. Wet weather sometimes happens in cold winter.
C. Wet weather also makes people feel happy and even excited.
D. Wet weather also makes people feel tired and even sick.
()49. Which is the best structure of this passage?
A. B. C. D.
D
Different weather makes people feel different. It has an influence on people's health, intelligence and feelings.
In August, it is always hot and wet in the southern part of the United States. People there have heart trouble and other kinds of health problems during this month. In the Northeast and the Middle West, it is very hot at some times and very cold at other times.
The weather can also influence intelligence. For example, the IQ(智商) of students was very high when a very strong wind came, and it can help people have higher intelligence. Very hot weather makes students in many schools of the United States often get bad grades in exams in July and August.
Weather also has a strong influence on people's feelings. Winter may be a bad time for thin people. They usually feel cold during these months. They might feel unhappy during cold weather. But fat people may have a hard time in hot summer. At about 18 ℃, people feel well.
Are you feeling good, tired or unhappy today? It may be the weather's problem.
()50. What does the underlined word "it" in Paragraph 3 refer to?
A. Health.
B. The wind.
C. IQ.
D. The weather.
()51. Why do students in the United States usually get bad grades in exams in July and August?
A. Because they have high IQ.
B. Because the weather is very hot.
C. Because a very strong wind comes.
D. Because they do well in their studies.
()52. Which of the following is NOT true?
A. People have higher intelligence with the help of the wind.
B. Thin people might feel cold and unhappy during winter.
C. The weather may make us have different feelings.
D. The weather in the northern part of the United States is always hot and wet in August.
()53. What's the best title of the passage?
A. Different Kinds of Weather
B. IQ and Weather
C. Exams in the Hot Months
D. Weather and Its Influences on People

@@46.D 47.B 48.D 49.B 50-53 BBDD