什么叫过剩空气系数？它和加热炉热效率的关系如何？

下列属于法定的一罪的是

A．牵连犯

B．结合犯

C．集合犯

D．吸收犯

Chien, Linh and Trang formed a new limited liability company in January 2011. They decided that the company would specialise in selling high quality food products. Before the company was formed, Chien, Linh and Trang decided to enter into several transactions so that the company could commence trading as soon as the legal formalities relating to formation had been finalised.Chien was responsible for sourcing and selling seafood. In October 2010 he ordered 500 boxes of crab meat with the intention of selling it to the customers of the new company. He wrote to 50 prospective customers of the new company informing them that a maximum of three boxes of crab meat would be available for purchase by each customer at a price of 20 million dong per box. The remainder would be advertised for general sale.Linh was responsible for sourcing and selling herbs. She secured an agreement with a supplier of saffron, an expensive herb, and has already been told informally by five of her restaurant contacts that they would be prepared to pay 30 million dong per box for this product. She sent a box of saffron to each customer with an invoice for 30 million dong in November 2010.Trang agreed to take responsibility for sales of luxury chocolates. He had little knowledge of the products, but in December 2010 entered into an agreement with a Vietnamese trader to purchase 1,000 kilos of chocolates specially imported from Switzerland.Required:

(a) Explain whether legal binding contracts have been formed on behalf of the company by the actions of Chien, Linh and Trang, and the rights and obligations created by their actions. (7 marks)

猎头公司工作程序要经历五个步骤：[1]对目标候选人进行接触和测评;[2]跟踪与替换;[3]分析客户需要;[4]搜寻目标候选人;[5]提交候选人的评价报告。其正确的排序为()

A．[4][3][1][5][2]

B．[3][4][1][2][5]

C．[3][4][1][5][2]

D．[4][3][1][2][5]

A企业按月收取设备租金2500元，收到当月租金存入银行。该设备应按月计提折旧500元，要求：
(1)写出取得租金的会计分录
(2)计提折旧的会计分录。

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

Although no proof yet exists of the electromagnetic disturbances observed being the results of nuclear weapons testing, diplomats are treating the situation with utmost delicacy.（）

A. of the electromagnetic disturbances observed being the results of nuclear weapons testing

B. regarding the observed electromagnetic disturbances having been the results of nuclear weapons testing

C. that the electromagnetic disturbances observed were the results of nuclear weapons testing

D. that nuclear weapons testing resulted in the electromagnetic disturbances having been observed

E. that the electromagnetic disturbance observed were resulting from nuclear weapons testing