2009年6月英语六级模拟试题答案_第7页

　　Section B

　　Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on the Answer Sheet 2 with a single line through the centre.

　　Passage 1

　　OK, in the last class we talked about the classification of trees and we ended up with a basic description of angiosperm. You remember that those are plants with true flowers and seeds that develop into fruits. The common broad leaf trees we have on campus fall into this category. But our pines don't. Now I hope you all followed my advice and wore comfortable shoes because as I said today we are going to do a little field study. To get started let me describe a couple of broadleaf trees we have in front of us. I'm sure you've all noticed that this big tree next to Brett Hall. It's a black walnut that must be 80 feet tall. As a matter of fact there is a plaque identifying it. It is the tallest black walnut in the state. And from here we can see the beautiful archway of trees at the commons. They are American elms. The ones along the commons were planted when the college was founded 120 years ago. They have distinctive dark green leaves that look lopsided because the two sides of the leaf are unequal. I want you to notice the elm right outside the Jackson Hall. Some of the leaves have withered and turned yellow, maybe due to Dutch elm disease. Only a few branches seem affective so far but if this tree is sick it'll have to be cut down. Well, let's move on and I'll describe what we see as we go.

　　Q26. What are the students going to do during this class period?

　　Q27. In what class is this lecture probably being given?

　　Q28. What is remarkable about the black walnut tree outside Brett Hall?

　　Q29. What is the problem with the elm tree near Jackson Hall?