A．at whichB．in whichC．on whichD．with which

A．to which

B．in which

C．by which

D．through which

【C6】

A．at which

B．while

C．that

D．when

This is the microscope ______ which we have had so much trouble.

A．at

B．from

C．of

D．with

The investigation, ______ will soon be published, was made by Professor Smith.

A．at which the results

B．the results on which

C．of whose results

D．whose results

omprises the whole vocabulary. First, there are those words【1】which we become acquainted in daily conversation, which we【2】, that is to say, from the【3】of our own family and from our familiar associates, and【4】we should know and use【5】we could not read or write. They【6】the common things of life, and are the stock in trade of all who【7】the language. Such words may be called "popular", since they belong to the people【8】and are not the exclusive【9】of a limited class.

On the other hand, our language【10】a multitude of words which are comparatively【11】used in ordinary conversation. Their meanings are known to every educated person, but there is little【12】to use them at home or in the market-place. Our【13】acquaintance with them comes not from our mother's【14】or from the talk of our school-mates,【15】from books that we read, lectures that we【16】, or the more【17】conversation of highly educated speakers who are discussing some particular【18】in a style. appropriately elevated above the habitual【19】of everyday life. Such words are called "learned", and the【20】between them and the "popular" words is of great importance to a right understanding of linguistic process.

(1)

A．at

B．with

C．by

D．through

（英语专业学生做）

In every cultivated language there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words【81】which we become acquainted in daily conversation, which we【82】, that is to say, from the【83】of our own family and from our familiar associates, and【84】we should know and use【85】we could not read or write. They【86】the common things of life, and are the stock-in-trade (惯做的事) of all who【87】the language. Such words may be called "popular" , since they belong to the people

【88】and are not the exclusive【89】of a limited class.

On the other hand, our language【90】a multitude of words which are comparatively【91】used in ordinary conversation. Their meanings are known to every educated person, but there is little【92】to use them at home or in the market-place. Our【93】acquaintance with them comes not from our mother's【94】or from the talk of our school-mates, 【95】from books that we read, lectures that we【96】, or the more formal conversation of【97】educated speakers who are discussing some particular【98】in a style. appropriately elevated above the habitual【99】of everyday life. Such words are called "learned" , and the【100】between them and "popular" words is of great importance to a right understanding of linguistic process.

(81)

A．at

B．with

C．by

D．through

Music comes in many forms; most countries have a style. of their own. (1)_____ the mm of the century when jazz was born, America had no prominent (2)_____ of its own. No one knows exactly when jazz was (3)_____, or by whom. But it began to be (4)_____ in the early 1890s. Jazz is America's contribution to (5)_____ music. In contrast to classical music, which (6)_____ formal European traditions, jazz is spontaneous and free-form. It bubbles with energy, (7)_____ the moods, interests, and emotions of the people: In the 1920s jazz (8)_____ like America. And (9)_____ it does today. The (10)_____ of this music are as interesting as the music (11)_____. American Negroes, or blacks, as they are called today, were the jazz (12)_____.They were brought to the Southern states (13)_____ slaves. They were sold to plantation owners and forced to work long (14)_____ When a Negro died his friends and relatives (15)_____ a procession to carry the body to the cemetery. In New Orleans, a band, often accompanied the (16)_____ On the way to the cemetery the band played slow, solemn music suited to the occasion. (17)_____ on the way home the mood changed. Spirits lifted. Death had removed one of their (18)_____, but the living were glad to be alive. The band played (19)_____ music, improvising on both the harmony and the melody of the tunes (20)_____ at the funeral. This music made everyone want to dance. It was an early form. of jazz.

A．At

B．In

C．By

D．On

roblems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointing (21) that a cluster of tall buildings in a city often overburdens public transportation and parking lot (22) .

Skyscrapers are also enormous (23) , and wasters, of electric power. In one recent year, the addition (24) 17 million square feet of skyscraper office space in New York City raised the (25) daily demand for electricity by 120,000 kilowatts-- enough to (26) the entire city of Albany for a day. Glass-wailed skyscraper can be especially (27) . The heat loss (or gain) through a wall of half-inch plate glass is more than ten times (28) through a typical masonry wall filled with insulation board. To lessen the strain (29) heating and air-conditioning equipment, (30) of skyscrapers have begun to use double-glazed panels of glass, and reflective glasses (31) with silver or gold mirror films that reduce (32) as well as heat gain. However, (33) skyscrapers raise the temperature of the surrounding air and (34) neighboring buildings. Skyscrapers put severe pressure on a city's sanitation (35) , too. If fully occupied, the two World Trade Center towers in New York City would alone generate 2.25 million gallons of raw sewage each year--as (36) as a city the size of Stamford, Connecticut, which has a (37) of more than 109,000. Skyscrapers also (38) with television reception, block bird flyways, and obstruct air traffic.

Still, people (39) to build skyscrapers for all the reasons that they have always built them--personal ambition and the (40) of owners to have the largest possible amount of rentable space.

A．at

B．to

C．out

D．towards

A．at night

B．for the night

C．in night

D．overnight

A．at first

B．at all

C．at large

D．at times