Air cargo is （）

A:air transport B:air freight C:air delivery D:plane

以下有关自定义servlet、filter错误的是（）

A:是在uap项目的weB.xml中定义servlet、filter B:在模块中定义servlet、filter时，首先是模块的启动顺序决定了模块中所有servlet、filter的顺序 C:如果同一个模块中servlet、filter定义在不同的文件中，文件被加载解析的顺序也会影响模块servlet、filter的顺序 D:模块中同一个配置文件中定义的servlet、filter按被定义的前后顺序处理

There would be no air pollution to this city because ______.

A:there was a special plant to treat the polluted air B:the city was away from the mainland C:people in the city did not burn oil or coal D:vehicles there were powered by electricity

My father (enjoys) fresh (air), (sunshine), and (to take) long walks.

A:enjoys B:air C:sunshine D:to take

Our sense of smell, which we normally take for granted, is nowadays being increasingly used for purposes which might surprise us if we aware of them. One area in which smells are created to achieve particular results is marketing. For some time manufacturers have taken advantage of our sense of smell with regard to household goods. Millions of dollars are spent on product research in the hunt for the right smell as it is believed perfume influnences the way consumers perceive a brand. In a survey in the United States, when people were asked what was the most important factor in their choice of detergent (洗衣粉) , smell was rated highly, above ingredients and price.
Now stores are becoming even more direct in their use of smell. The smell of fresh bread in a supermarket tends to encourage people to buy, and people selling their houses are recommended to have coffee being heated when potential buyers arrive. Suddenly smell is becoming big business. One company specializing in the use of smells to attract customers now has many large stores on its own list of customers. They find that when pleasant smells are filtered through a store’s air condition system, people tend to spend longer in the store and buy more.
Reserch shows that smells can increase people’s view of the value of a product. In a test, people looked at the same types of shoes in two rooms--one filled with purified air, the other with a smell of mixed flowers, of the people preferred the shoes in the room with the smell of flowers. In fact, many said they would be prepared to pay up to US$10 more for a pair.
Smells also have other potential uses. Some companies are experimenting with different smells to produce different effects in their workers according to the time of day. For example, early in the morning they might put the smell of lemon in the air conditioning system to wake people up. In the middle of the morning, when the atmosphere tends to become more tense, the smell of wood could be used to calm people down. Before lunchtime the smell of melting butter would encourage people to go to lunch on time . After lunch, when people often begin to lose concentration, the smell of mint (薄荷) would increase their alertness.
To attract more customers, some large stores ______.

A:employ a company specializing in the use of smells B:provide free coffee for them C:filter purified air through air conditioning D:decorate themselves with fresh flowers

The Air Waybill serves as（ ）.

A:a document of title to the goods B:a contract for transportation C:a receipt and delivery of shipment D:a convention for air transport

The Air Waybill serves as( )．

A:a document of title B:a contract for transportation C:a receipt and delivery ofshipment D:a convention for air transport