Since we ____________ to working so hard, can we rest for a while?.




A.don’t used
B.aren’t used
C.don’t use
D.not use

Today many species of plant and animal are in ________ of extinction.




A.danger
B.endangered
C.endanger
D.dangerous

__________(56)




A.over
B.again
C.repeatedly
D.repeating

__________(51)




A.it
B.them
C.that
D.those

You can ask the interviewer about______________




A.the salary, position and duties
B.the salary, position and his age
C.the salary and the interviewer's education
D.the salary, the interviewer's family and his duties

Why were the telephone, radio, and television invented?




A.Because people were unable to understand signs, signals, and symbols.
B.Because people wanted to communicate across long distances.
C.Because people believed that signs, signals, and symbols were obsolete.
D.Because people wanted new forms of communication.

According to the passage, all of the following were true of railroads in the United States in the nineteenth century EXCEPT that




A.they connected important industrial cities
B.they were necessary to the industrialization process
C.they were expanded in a short time
D.they used relatively small quantities of natural resources

She phoned him early in the morning. She didn’t want him to forget to bring along the document.




A.She phoned him early in the morning when she didn’t want him to bring along the document.
B.She phoned him early in the morning so that she wanted him to bring along the document.
C.She phoned him early in the morning lest he would forget to bring along the document.
D.She phoned him early in the morning though she didn’t want him to forget to bring along the document.

Yesterday my mother bought ______.




A.beautiful Italian some cotton hats
B.Italian some beautiful cotton hats
C.some beautiful Italian cotton hats
D.some hats beautiful Italian cotton

- A: “Are you interested in scuba diving?” - B: “A lot. Undersea life is _____.”




A.fascinating
B.fascinate
C.fascinates
D.fascinated