What are the two most important achievements in the Sui, Tang and Five Dynasties？ （AC)

A、salty

B、natural

C、light

D、sweet

A、Light

B、Sweet

C、Oily

D、Hot

According to the talk, what are core courses?

A．They are the important courses students must take.

B．They are the basic courses students need to take.

C．They are elective courses students do not have to take for graduation.

D．They are required courses students have to take so as to graduate.

听力原文：A: About big international issues: what do you see as the most important environmental issues of the moment?

B: It’s quite difficult to make a kind of hierarchy of worry here, because so many issues are there, and so … and they’re all very very important. But I think it has to be said that as far as we we’re concerned, as a campaigning organization, it really is the rain forest that we are concentrating on most. If we don’t take action on that issue within the next five years, then environmental pressure groups won’t have anything to do in ten years’ time, because there won’t be any rain forests, really, for them to campaign about. So this is a critical period for the rain forests, the next five years, and there is enough flexibility in the system to allow us to hope that we’re going to be able to make some changes during that time. So that’s why we’ve made it our priority.

A: What’s so important about the rain forests, then? Er, what’s, what’s the difference between having them or not having them? Isn’t it just, you know, basically either there’re a lot of trees there or there aren’t a lot of trees there?

B: Uhh…well that’s what some people would like to think. Um, there, it’s important in many different ways, important firstly for the countries themselves, in terms of the fact that millions of people depend on the rain forests for their livelihood, and for their … the quality of their environment, through the protection of watersheds, and so on. Secondly, they’re important because of the biological richness of the rain forests. Um, a genetic chest … treasure chest is how they’ve been described. Um, more than 60% of the world’s species is to be found in the rain forests. Write that off, and you write off that genetic storehouse. Lastly, they’re important at international level because of the impact on climate patterns that one would find if the rain forests were destroyed. So, whether you’re looking closely at the tribal people who depend on them, the countries which depend on them, the international community which depends on them, indeed the, the, you know, the creatures themselves, um, it’s actually the most critical issue that we face. And our prime job is of course to try and get people to understand how it is, even in countries where there are no rain forests, that they still have a connection with that rain forest.

You will hear a recording about environmental issues.

Mark one letter(A, B or C)for the correct answer.

After you have listened once, replay the recording.

According to the speaker, ______ is the most important environmental issues of the moment.

A．air pollution

B．water pollution

C．rain forests

College is one of the most crucial periods in the growth and development of an individual, and how to make the most of the college years remains open to discussion. As a college student, your understanding of the greatest value of college will determine how you spend your college years. Write on ANSWER SHEET THREE a composition of about 200 words on the following topic: The Greatest Value of College You are to write in three parts. In the first part, state specifically what your opinion is. In the second part, support your opinion with appropriate reasons. In the last part, bring what you have written to a natural conclusion or make a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.

What are the ideal conditions for creating clouds?

A．The temperature is as low as minus 235 degrees Fahrenheit.

B．The air is a million times drier than that of Sahara.

C．Extremely dry air and low enough temperature.

D．A mild climate and the build-up of carbon dioxide.