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[单选题]

Lots of the students commit to () their grades.

A.improving

B.improve

C.improved

D.have improved

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发布时间：2022-12-03

更多“Lots of the students commit to () their grades.”相关的问题

第1题

What do we know about this unusual class？A．The teachers did lots of writing on the board.B

What do we know about this unusual class？

A．The teachers did lots of writing on the board.

B．The teachers were invited to attend several lectures.

C．The students were professors from a university.

D．The students were studying science and humanities.

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第2题

The arguments for computer program used in education were that______.A．computers like toys

The arguments for computer program used in education were that______.

A．computers like toys would attract much attention of school children

B．there are lots of buttons you can press for doing anything at your will

C．computer program would take the place of teachers, turning a school into a computer world

D．computers could give teachers the opportunity to spare time to deal with students respectively

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第3题

Textbook prices are traditionally high. " Combined with the rising cost of tuition, the pr

ice of books for our students is just killing these kids," said Peter Jason, Ph.D. , a local community college professor. Adding to that problem, many college instructors change textbooks year after year: they either upgrade to a new edition or switch to an entirely different textbook. This further hurts students because if an instructor no longer uses a particular textbook, that book has no resale value. Students are one of the poorest groups of people in America. Almost half of them have at least one part-time job. In fact, some even have three jobs and still manage to have high grades and go to school full-time. So Dr. Jason decided to make life a little easier and a lot cheaper for his students by writing his own book on public speaking. He thinks that many books have an increased price because of bells and whistles: CD-ROMs, lots of color photographs, and lots of graphics. He talked to his students, and many of them, like him, prefer to keep things simple. They want to have a book which is brief and concise, not long-winded. A few years ago Dr. Jason finished his own textbook. " Compared to most other public speaking primers(启蒙书), mine is half the number of pages, and one-third the price. That is, $ 30 instead of $ 90. Plus, it is published in a three-ring binder format. So, when I wrote a second edition last year, students only had to buy the 35 new pages and delete 35 of the original pages. For only $ 7.00, they had upgraded to the new edition. I ve had great feedback from my students about this loose-leaf concept. Maybe the word will get out, and more writers and publishers will try it," said Dr. Jason.

What can we learn from Paragraph 1？

A．College textbooks are way too expensive.

B．Students don"t like to sell their own textbooks.

C．Students ask their instructors not to use any textbooks.

D．Some students were rejected by their instructors.

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第4题

Identify the errors in the following sentence: The old grandmother, dressed in her finest clothes and accompanied by lots of grandchildren, were smiling happily in the living room. ()

A.dressed in

B.finest clothes

C.and accompanied by lots of

D.were

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第5题

The marvels there()lots of tourists from all over the world.

The marvels there（)lots of tourists from all over the world.

A.attract

B.appeal

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第6题