单选题The reason ______ he rejected our plan is ______ he had no faith in us.A. why; thatB. that; whyC. because; thatD. which; why

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单选题A very rapid increase in the number of ships between American and European ports began almost immediately after the end of the War of 1812 in order to meet the new need for the regular rapid transportation of mail, light cargo, and passengers. It was the increase in emigration to America that for the first time made the carrying of passengers across the Atlantic more profitable than the transportation of heavy cargo. A new type of sailing, the packet (邮船), appeared to meet this new demand, and the extent of the demand very soon resulted in strong competition among several packet lines. The earliest of these was the Black Ball Line established in New York in 1816, only a year after the end of the war. The scheduled service of this famous line started with four of the new fast packets each of 400 to 500 tons: the Pacific, the Amity, the James Cooper, and the William Thompson. During the first twenty years of service, the average time from New York to Liverpool was 23 days and the average trip back to New York took 40 days. By the middle of the century, packets had increased in size to between 900 and 1,000 tons and their speed had increased. The Red Jackel once sailed from New York to Liverpool in 13 days, 11.5 hours. The Mary Whiteridge took 4.5 hours off this record on a run from Baltimore to Liverpool. Such speeds were far greater than the average of from 19 to 21 days to Liverpool and from 30 to 35 homeward to New York, but the packets had still set a new standard for transoceanic travel. No wonder that steamships, the first of which tried to compete with the packets in 1838, only began to replace them in the 1850s.

单选题Dear Mr. / Ms., Thank you for your letter of yesterday inviting me to come for an interview on Friday afternoon, 5th July, at 2: 30. I shall be happy to be there as requested and will bring my diploma and other papers with me. Yours faithfully

单选题I think it my duty ______ your shortcomings. A. to point out B. to mention C. to pick out D. to remind of

单选题—Need I do it again? —______.

单选题Documents ______ with chemicals will not become yellow with age.

单选题He is going to pick up his parents, so we ______ with him.

单选题In the first example, the subject is probably a _________.

单选题Many visitors to the United States find that the fast pace at which people move is very troubling. One"s first impression is likely to be that everyone is in a rush. City people always seem to be hurrying to get where they are going. And they are very impatient if they are delayed even for a brief moment. At first this may seem unfriendly to you. But drivers will rush you; storekeepers will be in a hurry as they serve you; people will push past you as they walk along the street. You will miss smiles and brief conversations with people when you shop or dine in a restaurant. Do not think it is because Americans are in other countries as well. Americans, who live in cities such as New York, Chicago, or Los Angeles, often think that everyone is equally in a hurry to get things done. But when they discover that you are a stranger, most Americans become quite kindly and will take great care to help you.

单选题"However" most probably means ______.

单选题He was seen ______ the room ten minutes ago.A. enterB. to enterC. be enteringD. having entered

单选题_____ his lecture is short，it gives us a clear picture of the new program．

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单选题If you want to take the exam,you have to start ______.

单选题It is better to take your time at this job than to hurry and make mistakes． A．最好的工作要慢慢找，不要太着急。 B．工作中不要太急，免得出错。 C．干这活最好要慢点不要匆忙，免得出错。 D．最好要多花点时间在工作上，免得忙中出错。

单选题The manager tried to create a situation in which all people present would feel comfortable．

单选题Mountainous areas have a poorer TV ______ than cities.

单选题Why did the tax-collector send a letter to the artist?