[单项选择]We have had to raise the prices of our products because of the increase in the cost of （） materials.
A. primitive
B. rough
C. original
D. raw

[单项选择]

We have had an industrial civilization for only 200 years and already we’re stockpiling nuclear weapons, overpopulating the planet, poisoning the air, the water and the soil, destroying fertile land, developing an energy crisis, and running low on resources.
Many think glumly that there is no solution to all this--that we are headed on a collision course with damnation and that we are the last generation of civilization. It can even be argued that this is the inevitable consequence of intelligence: that intelligent beings anywhere gradually develop a greater and greater understanding of the laws of nature until their power exceeds their wisdom and they destroy themselves. If that is so, we may find no evidence of civilizations elsewhere, not because none have developed, but because none have endured.
But if we: do find evidence of a civilization, one that is further advanced than our own (or its signals would not be so powerful as to reach us, since we can&r
A. that we could learn much even from the tiniest breaks in the code
B. that science can not make any progress without insight into some aspect of physics
C. that progress in science is closely related to something around it
D. that we must get in touch with other beings to accelerate our scientific advances

[填空题]Finally we had our picnic in ______.

[简答题]We have contacted our prospective clients．They all considered the prices are not competitive enough to tempt them to place an order although we stressed the high quality ofyour products．Under the circumstances，we think a reduction of 5%for our initial order(首次订单)may helpus to introduce your products into our market．

[单项选择]It was in the rice fields ______ we had our league meeting.
A. where
B. that
C. in which
D. on which

[单项选择]

W: Well, Mr. Steve, we have had an interesting discussion about your work. Now, tell us something about your after work activities.
M: I guess not much different from everyone else. I’m fond of sports, and I am about 3 miles every day. I particularly enjoy cross-country running, where you have to run across fields, jump over streams and so on. While I’m running I think about all kinds of things, and at the end of a run I’m sometimes surprised to find that I’ve managed to solve a problem that was on my mind.
Next year I’m going to ay the London Marathon. It’s a long, hard race—26 miles, or 42 kilometres and you have to be tough to finish, but I very much want to do it. I worry a bit about getting old, and I’d like to prove to myself that I’m still almost as well as I was twenty years ago. I’m interested in climbing as well as running. I’ll never become an expert climber, but I know what I’m
A. Training for a professional athlete.
B. His ways of physical training.
C. How to do cross-country running.
D. How to do mountain climbing.