Many students take Internet-based courses mainly because they can__（）
A. save a great deal on traveling and boarding expenses
B. select courses from various colleges and universities
C. work on the required courses whenever and wherever
D. earn their academic degrees with much less effort
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The author’s purpose of writing this passage is to___（）
A. argue for teaching bright and not-so-bright pupils in the same class
B. recommend pair work and group work for classroom activitie
C. emphasize the importance of appropriate formal classroom teaching
D. offer advice on the proper use of the library
Which of the following is NOT MENTIONED in the third paragraph（）
A. Pupils aim to learn to develop their reasoning abilities
B. Group work gives pupils the opportunity to learn to work together with others
C. Group work provides pupils with the opportunity to learn to be capable organizers
D. Pupils also learn how to participate in teaching activities
Which pattern is used in the following outline when comparison is made？Point 1 Object 1 ➤ Object 2 Point 2 Object 1 ➤ Object 2 Point 3 Object 1 ➤ Object 2（）
A. The block pattern
B. The point-by-point pattern
C. The combination pattern
D. All above
The main function of neurons is to（）
A. accept stimuli
B. transmit impulses
C. nutrition
D. protect
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