【C13】A.for a momentB.at the momentC.at a timeD.at times
【C13】
A.for a moment
B.at the moment
C.at a time
D.at times
【C13】
A.for a moment
B.at the moment
C.at a time
D.at times
第2题
【C13】
A.for what
B.for who
C.for whom
D.for whoever
第5题
【C1】
A.for
B.by
C.with
D.in
第6题
Most students think of the library only【C1】______ a place where books are stored, but a library also【C2】______ many valuable services. The library may loan records and /or films,【C3】______ often houses coin operated photocopying machines; it【C4】______ provide listening rooms, typing【C5】______, and study rooms, Many libraries offer an interlibrary loan system whereby they can borrow books【C6】______ other libraries for your【C7】______.
The people【C8】______ work in a library are perhaps【C9】______ important than any particular thing【C10】______ is kept there. While you may think【C11】______ librarians as people who check【C12】______ and shelve books, you will【C13】______ that college librarians are valuable to talk【C14】______. They can help you locate information, suggest a focus and direction for approaching a topic, and help you organize【C15】______ research. Even though librarians always look【C16】______, do not hesitate to ask them questions. There is always at least【C17】______ librarian, usually located in the reference area,【C18】______ primary responsibility is to【C19】______ students.
Visit the library, look【C20】______, and be ready to use it effectively when you get your first class assignment this semester.
【C1】
A.for
B.as
C.about
D.like
第7题
Trees catch and【C6】______rainwater. Their leaves break the impact【C7】______the rains, robbing them of【C8】______destructive power. The roots of trees allow the water to go into the soil,【C9】______gradually releases it to flow down rivers and refill ground-water reserves. Where there are no【C10】______, the rains run in sheets of water off the land,【C11】______the soil with there Land【C12】______with trees and other plants【C13】______20 times more rainwater than【C14】______earth. As they grow, trees absorb carbon dioxide, the main【C15】______of the "greenhouse effect", which【C16】______irreversibly to change the world's climate. Together, the world's trees, plants and soils contain three times as much carbon as【C17】______is in the atmosphere.
The world's forests【C18】______the vast majority of its animal and plant species. The tropical rainforests【C19】______have well over half of them,【C20】______they cover only about 6% of the Earth's land surface.
【C1】
A.for
B.from
C.by
D.with
第8题
Eighty years【C6】______, Chaplin is still here. In a 1995 worldwide survey of film critics, Chaplin was voted【C7】______greatest actor in the movie history. He was the first,【C8】______the last, person to control【C9】______aspect of the filmmaking process--【C10】______his own studio and producing, directing, writing and editing the movies he starred in. In the first few decades of the 20th century,【C11】______weekly movie-going was the national【C12】______, Chaplin more or less helped【C13】______an industry into an art. In 1916,his【C14】______year in films, his salary of $10, 000 a week made him the highest-paid actor --【C15】______the highest-paid person- in the world.【C16】______1920, the Chaplin craze, accompanied by a flood of Chaplin dances, songs, dolls, comic books and cocktails, was【C17】______everywhere. Filmmaker Mack Sennett thought【C18】______"just the greatest artist who ever lived. "Other early admirers【C19】______George Bernard Shaw, Marcel Proust, and Sigmund Freud.【C20】______1981 to 1987, IBM used the Tramp as the logo to advertise its venture into personal computers.
【C1】
A.for
B.in
C.by
D.with
第9题
Text
There are two aspects which determine an individual's intelligence. The first is the brain he is born【C1】______. Human brains differ considerably,【C2】______being more able than others.【C3】______no matter how good a brain he has to begin with, an individual Will have a low order of intelligence【C4】______he has opportunities to learn. So the second aspect is what【C5】______to the individual — the environment in which he is brought【C6】______. If an individual is handicapped【C7】______, it is likely that his brain will【C8】______to develop and he will【C9】______attain the level of intelligence of which he is【C10】______. The importance of environment in determining an individual's intelligence can be【C11】______by the case history of the identical twins, Tom and Mike. When the twins were three months old, their parents died, and they were placed in【C12】______foster homes. Ton, was reared by parents of low intelligence in an【C13】______community with poor educational【C14】______. Mike,【C15】______was educated in the home of well-to-do parents who had been to college. This environmental【C16】______continued until the twins were【C17】______their late teens,【C18】______they were given test to【C19】______their intelligence. Mike's I. Q. was 125, twenty-five points higher than the【C20】______and fully forty points higher than his identical brother.
【C1】
A.for
B.by
C.with
D.in