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In the botanic garden we can find a(n)________ of plants that range from tall trees to small flowers.

A. species              B. group              C. amount              D. variety

 

答案:D
解析:

variety of =various

 


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I miss one teacher in particular that I had in high school. I think she was a good teacher because she was a very strict person. I remember very vividly (清晰地) a sign over her classroom door. It was a simple sign that said, “Laborato­ry—in this room the first five letters of the word was emphasized (強調), not the last seven.” In other words, I guess, labor(勞動) for her was more important than oratory, which means making speeches.

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       B.to advise the students to follow the disciplines

       C.to warn the students not to be careless

       D.to tell the students to work hard in the classroom

3. When the teacher’s arm was broken, she ___.

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C.asked her students to check the homework themselves

D.gave her students more homework

4. What’s the writer’s opinion of dis­cipline?

A.It makes the students dislike their teachers.

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