问题
选择题
He’s put the book in the bag, ?[ ]
A. is he
B. isn't he
C. has he
D. hasn't he
答案
答案：D
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He’s put the book in the bag, ?[ ]
A. is he
B. isn't he
C. has he
D. hasn't he
答案：D
Electronic (电子的) books, or e-books, have changed the way many of us read. Now, electronic textbooks are changing the way many students 1 . Many schools in Washington have begun using online course materials for their students. Rather than using a regular textbook, it’s all online. “Our students are ready to use resources (资源) from different 2 ,” said the head teacher, Peter Noonan. He talked about the 3 of electronic textbooks to a reporter. “The world is changing 4 . Online textbooks can change right along with the things that are happening. Besides, electronic textbooks 5 less than regular textbooks. We need to pay $8 million for the regular textbooks for our students, but we only need to spend $6 million 6 the electronic textbooks,” said Peter Noonan. Students have different ideas about the change, 7 most like it. “I don’t have to carry a textbook around, so that is 8 ,” said a high school student named Melanie Reuter. Maria didn’t 9 . “I don’t like it because the Internet sometimes doesn’t work.” Some students don’t have a computer or can’t go online at home. Stephen is 10 of them. But he said, “I can go to the library, or go to a friend’s house, to go online.”
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