单选题He passed ______ hours in the library; he acquired information relative to the subject he was going to expound.

单选题The destruction of these cultural relics was a loss that no amount of money could______.

单选题It is required by law that a husband (has to pay) the debts of his wife (until) formal notice is given (that) he no longer has to pay (her).

单选题Who wants to keep the privacy?

单选题______ your coming to see me, I would have been very lonely.

单选题When you become a mid-level secretary, you’ll no longer be able to rely on superiors to make decisions for you.

单选题 中国中央电视台春节联欢晚会，简称为春晚，是每年农历除夕为庆祝农历新年而现场直播的重要晚会。自1983年首届春节联欢晚会在中央电视台播出以来，每年除夕之夜它都如期播出，这一传统一直延续至今。春晚在演出规模、演员阵容、播出时长和海内外收视率上创下了世界之最。春晚也成了大多数中国人每逢春节必看的电视节目，是中国除夕之夜的文化盛宴。

单选题Without electricity human life ______ quite different today.

单选题All the villagers returned home______ that the danger was over.

单选题 Hydrogen, which is ______ than off, is pretty easy to produce and does no harm to the environment.

单选题Some of the plan's {{U}}provisions{{/U}} have already aroused opposition, most notably from Pope John Paul Ⅱ.

单选题The old road ______.

单选题Helen was s6 persistent that her husband ______ at last.

单选题The purpose of a ______ is to cut down imports in order to protect domestic industry and workers from foreign competition.

单选题The Nobel Prizes are awards that are given each year for special things that people or groups ofpeople have achieved. They are awarded in six 21__________ : physics, chemistry, medicine, literature,pe

单选题Don"t let me catch you ______.

单选题According to the article, which one of the following statements is NOT true?

单选题 Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a complex network composed of the prices of all the products bought and sold in the economy as well as those of a myriad of services, including labor, professional, transportation, and public-utility services. The interrelationships of all these prices make up the 'system' of prices. The price of any particular product or service is linked to a broad, complicated system of prices in which everything seems to depend more or less upon everything else. If one were to ask a group of randomly selected individuals to define 'price', many would reply that price is an amount of money paid by the buyer to the seller of a product or service or, in other words, that price is the money value of a product or service as agreed upon in a market transaction. This definition is, of course, valid as far as it goes. For a complete understanding of a price in any particular transaction, much more than the amount of money involved must be known. Both the buyer and the seller should be familiar with not only the money amount, but with the amount and quality of the product or service to be exchanged, the time and place at which the exchange will take place and payment will be made, the form of money to be used, the credit terms and discounts that apply to the transaction, guarantees on the product or service, delivery terms, return privileges, and other factors. In other words, both buyer and seller should be fully aware of all the factors that comprise the total 'package' being exchanged for the asked-for amount of money in order that they may evaluate a given price.

单选题(Witnesses) of the crime (find difficult) to explain (why) they (didn't) call the police.A. WitnessesB. find difficultC. whyD. didn't