The number of people who have their own cars () sharply in the past decade.
A.rose
B.is rising
C.have risen
D.has risen
A.rose
B.is rising
C.have risen
D.has risen
A.were, was
B.was, was
C.was, were
D.were, were
A. in number
B. in larger numbers
C. to the number
D. by number
The country has ______people and ______money ______spent on tobacco every year.
A. a large quantity of, a number of, are
B. plenty of, a great deal, are
C. a great deal of, plenty of, is
D. a large number of, a large amount of, is
Which of the following was most important in the development of the fast packets?
A.The increased demand for the transportation of all kinds of cargo.
B.The increase in the number of people who wanted to go to Europe after the war of 1812.
C.The increase in the number of people who wanted to go to America.
D.The increased volume of mail.
______ work has been done to improve people's living standard.
A.Many
B.A great many
C.A large number of
D.A great deal of
A ______ people come to visit the Great Wall every day.
A.great deal
B.good number
C.good many
D.large quantity
______makes it possible for many people to work at home.
A.The use of computers
B.The large number of children
C.The peaceful atmosphere at home
D.The better living condition
A.remind
B.repeat
C.recall
D.replace
Since 1870, Americans have witnessed______.
A.a dramatic change in American service system
B.a great change in the daily life of Americans
C.an increase of supermarkets
D.a great increase in the number of experienced people in the production of services
Some years ago safety rules ______. ()
A.were put forward due to scientists' recommendations
B.came into being as a result of the workers' demand
C.were introduced because quite a number of people were killed or seriously injured
D.were effective enough to protect workers and customers