[单项选择]According to the passage, why do many fishes stay in group ？（）
A. It helps improve their safety.
B. It allows them to swim faster.
C. It helps them fight their predators.
D. It allows them to avoid twists and turns.

[单项选择]According to the passage, why do many fish stay in groups（）
A. It helps improve their safety.
B. It helps them fight their predators.
C. It allows them to swim faster.
D. It allows them to avoid twists and turns.

[单项选择]According to the passage, why is age classification changeable
A. An individual’s age classification changes as one progresses through the life cycle.
B. The individual may be an ageist with respect to others.
C. An individual’s age classification changes with the development of society.
D. The individual may be an ageist with respect to himsel

[单项选择]According to the passage, why would the landowners respond to environmental concerns a. They wish to stimulate economic growth. b. They wish to improve their public image. c. They have a tradition of cooperating with the government. d. They are afraid of federal legislation.

[单项选择]According to the passage, why haven’t scientists found a cure for the common cold（）
A. They haven’t devoted as much energy to medicine as to space travel.
B. There are too many kinds of cold viruses for them to identify.
C. It is not economical to find a cure for each type of cold.
D. They believe people can recover without treatment.

[填空题]S6. According to the passage, why are students of the same achievement level grouped together

[简答题]S3. According to the passage, why icebergs are dangerous

[单项选择]According to the passage, how many universities in the United States took part in the study（　）
A. Four.
B. Three.
C. Five.
D. Six.

[单项选择]According to this passage, what should you do after 40 a. Change your life style. b. Take things easy. c. Challenge the things you didn’t do well before. d. Find out what you are good at.

[填空题]According to the passage, what do the human beings depend on to structure the world in important ways

[填空题]Why do many rich men like collecting paintings They often do this with a purpose of ______.

[填空题]Why do many farmers live in the neighborhood of many active craters

[单项选择]Why do many of the boys avoid certain instruments（）
A. They find them too hard to play.
B. They think it silly to play them.
C. They find it not challenging enough to play them.
D. They consider it important to be different from girls.

[单项选择]Why do so many Americans distrust what they read in their newspapers The American Society of Newspaper Editors is trying to answer this painful question. The organization is deep into a long self-analysis known as the journalism credibility project. Sad to say, this project has turned out to be mostly low-level findings about factual errors and spelling and grammar mistakes, combined with lots of head-scratching puzzlement about what in the world those readers really want. But the sources of distrust go way deeper. Most journalists learn to see the world through a set of standard templates (patterns) into which they plug each day’’ s events. In other words, there is a conventional story line in the newsroom culture that provides a backbone and a ready-made narrative structure for otherwise confusing news. There exists a social and cultural disconnect between journalists and their readers, which helps explain why the "standard templates" of the newsroom seem alien to m
A. Needs of the readers all over the word.
B. Causes of the public disappointment about newspapers.
C. Origins of the declining newspaper industry.
D. Aims of a journalism credibility project.