[简答题]Prices vary with the seasons.

[填空题]Your prices exceed world prices by 5%.

[填空题]Opinions vary widely concerning workplace romance. Some organizations, on the assumption that romantic relationships are basically harmful to the success of the workplace, have explicit rules (36) such relationships.
On the positive side, the work environment seems a perfect place to meet a potential romantic partner. After all, by (37) of the fact that you’re working in the same office, you’re probably both interested in the same field, have similar training and (38) , and will spend (39) time together-all factors that (40) the development of a successful interpersonal relationship.
Similarly, office romances can lead to greater work (41) If the relationship is a good one and one that is (42) satisfying, the individuals are likely to develop empathy for each other and act in ways that are supportive, (43) , and friendly.
However, even when the relationship is a good one for the

[单项选择]A. The prices will be even higher.
B. The prices will stop rising.
C. The prices are not high at all.
D. The prices will either rise or fall.

[填空题]How about the prices
The prices are ______

[单项选择]Natural languages are viewed to vary according to ______ set on UG principles to particular values.
A. Adjacent Condition
B. parameters
C. Case Condition
D. Case requirement

[简答题]The tourists’ favourite visiting places vary from person to person, some want to visit beautiful mountains and rivers, others like to meet local people.

[填空题]Some rituals of modern domestic living vary little throughout the developed world. One such is the municipal refuse collection, usually once a week, your rubbish bags or the contents of your bin disappear into the bowels of a special lorry and are carted away to the local tip. To economists, this ceremony is peculiar, because in most places it is free. Yes, households pay for the service out of local taxes. (71) Yet the marginal cost of rubbish disposal is not zero at all. The more people throw away, the more rubbish collectors and trucks are needed, and the more the local council has to pay in landfill and tipping fees.
(72) But as Don Fullerton and Thomas Kinnaman, two American economists, have found, this seemingly easy application of economic sense to an everyday problem has surprisingly intricate and sometimes disappointing results. In the past few years several American towns and cities have started charging households for generating rubbish. The commonest sys