单项选择题

Grouping of students within the classroom occurs primarily at the elementary level. This organizational arrangement places students together in two or more groups in the classroom to improve the learning conditions for those students. Grouping in reading places students of the same achievement level together to enable the teacher to more easily work with them. Grouping, however, is becoming more popular in other subjects, and for other purposes. Cooperative (协作的) learning groups, for example, place students of different abilities in the same group, and the students within that group help each other on assignments. These programs have been shown to he effective in raising students’ achievement as well as improving their social skills and attitudes toward one another.
Students of the same achievement level are grouped together so that

A. they can help each other on assignments.
B. they can improve their social skills.
C. they can improve their attitudes towards one another.
D. the teacher can work easily with them.
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Government is essentially the only industry planning to hire more new grads this year than last. as the new Administration expands and a graying workforce retires. The up tick(上升，增加) in government recruiting is obvious to students. Last year, notes Dorothy Kerr, executive manager of Rutgers University’s career services, there were just 15. government and nonprofit employers at the annual Big East Career Day in Manhattan’s Madison Square Garden ; others were kept out to make room for 135 private -sector employers. This year, just 80 private companies signed up for the March 13 event, where 30 federal agencies will be on hand accepting resumes. The good news is, the Federal Government is definitely hiring, Kerr says. Still, according to the NACE report, the projected increase is less than 6%. What is the reason that government is planning to hire more according to the passage
A. Colleges and universities called for government to hire more.
B. The government is trying to stabilize the work force market.
C. The federal government encourages states to hire more.
D. New Administration expands and more workers retir
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From the beginning, water has furnished mail with a source of food and a highway to travel upon. The first civilizations arose where water was a dominant element in the environment, a challenge to man’s ingenuity. The Egyptians invented the 365 - day calendar in response to the Nile’s annual flooding. The Babylonians, who were among the most famous law -makers in ancient times, invented laws regulating water usage. Water inspired the Chinese to built a 1,000 - mile canal - a complex system, which, after nearly 2,500 years, remains still practically in use and still commands the astonishment of engineers. But the ancients never found complete solutions to their water problems. The Yellow River is also known as China’s Sorrow ;it is so unpredictable and dangerous that in a single flood it has caused a million deaths. Floods slowed the great civilization of the Indus River Valley, and inadequate drainage ruined much of its land. Today water dominates man as it always has done. Its presence continues to govern the location of his homes and cities; its violent variability can kill man or his herds or his crops; its routes links him to his fellows; its immense value may add to already dangerous political conflicts. There are many examples of this in our own time. Who of the following were among the most famous law makers
A. The ancient Chinese.
B. The ancient Egyptians.
C. The ancient Babylonians.
D. The ancient Indians.
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