[填空题]Before transplanted to the field, tobacco has to be cultivated in______.

[单项选择]

While most recent attention in the AI field has been focused on expert system software, AI (66) has also seen dramatic advances. Activity in the past years was characterized by new low-cost, powerful Lisp machines, the introduction of AI workstations, Lisp compilers becoming available for all major professional and engineering workstations, and the personal computer emerging as a (67) . tool for expert system development. The next few years will see this technology evolves further.
Because the (68) of an AI computer represents a sizable investment, companies should carefully (69) all options that are available as well as have a good idea of what the next generation of systems will offer in order to (70) the optimum system. This publication provides the information necessary to gain this understanding.

（66）是（）
A. choice
B. read
C. important
D. software
E. hardware
F. significant
G. emergence
H. survey
I. purchase
J. select

[单项选择]The man has never seen a horse before, has he
A. Yes, he has.
B. No, he hasn’t.
C. Yes, he hasn’t.

[单项选择]The man has never seen a horse before, has he
A. Yes, he has. B. No, he hasn’t. C. Yes, he hasn’t.

[单项选择]A. It will end before long. B. It has come to a halt.
C. It will last for two weeks. D. It will probably continue.

[单项选择]Passage Two Before the grass has thickened on the roadside verges and leaves have started growing on the trees it is a perfect time to look around and see just how dirty Britain has become. The pavements are stained with chewing gum that has been spat out and the gutters are full of discarded fast food cartons. Years ago I remember travelling abroad and being saddened by the plastic bags, discarded bottles and soiled nappies at the edge of every road. Nowadays, Britain seems to look at least as bad. What has gone wrong The problem is that the rubbish created by our increasingly mobile lives lasts a lot longer than before. If it is not cleared up and properly thrown away, it stays in the undergrowth for years; a semi-permanent reminder of what a tatty little country we have now. Firstly, it is estimated that 10 billion plastic bags have been given to shoppers. These will take anything from 100 to 1,000 years to rot. However, it is not as if there is no solution to
A. Britain looks perfect.
B. you can see Britain at its dirtiest.
C. you can see how dirty Britain is now.
D. the grass has thickened on the verges.

[单项选择]Dirty Britain
Before the grass has thickened on the roadside verges and leaves have started growing on the trees is a perfect time to look around and see just how dirty Britain has become. The pavements are stained with chewing gum that has been spat out and the gutters are full of discarded fast food cartons. Years ago I remember travelling abroad and being saddened by the plastic bags, discarded bottles and soiled nappies at the edge of every road. Nowadays, Britain seems to look at least as had. What has gone wrong
The problem is that the rubbish created by our increasingly mobile lives lasts a lot longer than before. If it is not cleared up and properly thrown away, it stays in the undergrowth for years; a semi-permanent reminder of what a tarry little country we have now.
Firstly, it is estimated that 10 billion plastic bags have been given to shoppers. These will take anything from 100 to 1,000 years to rot. However, it is not as if there is no soluti
A. Britain looks perfect
B. you can see Britain at its dirtiest
C. you can see how dirty Britain is now
D. the grass has thickened on the verges

[单项选择]

The field of medicine has always attracted its share of quacks and charlatans—disreputable women and men with little or no medical knowledge who promise quick cures at cheap prices. The reasons why quackery thrives even in modem times are easy to find.
To begin with, pain seems to be a chronic human condition. A person whose body or mind hurts will often pay any amount of money for the promise of relief. Second, even the best medical treatment cannot cure all the ills that beset men and women. People who mistrust or dislike the truths that their physicians tell them often turn to more sympathetic ears.
Many people lack the training necessary to evaluate medical claims. Given the choice between (a) a reputable physician who says a cure for cancer will be long, expensive and may not work at all, and (b) a salesperson who says that several bottles of a secret formula "snake oil" will cure not only cancer but tuberculosis as well, some individuals will
A. are misled by a secret formula
B. cannot afford a treatment
C. lack medical knowledge
D. do not trust physicians