He will simply not listen to anybody; he is （） to argument.

无偿性 

强制性 

灵活性 

固定性

the increasing concentration is certain to hurt consumers

WorldCom serves as a good example of both benefits and costs

the costs of the globalization process are enormous

the Standard Oil trust might have threatened competition

手动误差 

登记性误差 

虚报隐瞒 

录入错误

现金比率 

资产负债率 

产权比率 

已获利息倍数

because most journeys take less than half an hour

because the bike hire is free for the fires time

if one can arrange his London tour in a smart way

if one is physically strong enough

Silence is unnatural to man. He begins life with a cry and ends it in stillness. In the interval he does all he can to make a noise in the world, and there are few things 21 he stands in more fear than of the 22 of noise. Even his conversation is 23 a desperate attempt to prevent a dreadful silence. If he is introduced to a fellow mortal and a number of pauses occur in the conversation, he regards himself as a failure, a worthless person, and is full of 24 of the emptiest-headed chatterbox. He knows that ninety-nine percent of human conversation means 25 the buzzing of a fly, but he longs to join in the buzz and to prove that he is man and not a wax-work figure. The object of conversation is not, 26 the most part, to communicate ideas; it is to keep up the buzzing sound. Most buzzing, 27 is agreeable to the ear, and some of it is agreeable even to the 28 . He would be a foolish man, however, who waited until he had a wise thought to take part in the buzzing with his neighbors. Those who despise the weather as a conversational opening seem to be ignorant of the reason why human beings wish to talk. Very few human beings join in a conversation in the hope of learning anything new. Some of them are 29 if they are merely allowed to go on making a noise into other people’s ears though they have nothing to tell them except that they have seen a new play. At the end of an evening during which they have said nothing at immense length, they justly 30 themselves on their success as conversationalists.

从银行提取现金 

用原材料对外投资 

用现金购买原材料 

以固定资产清偿债务