[单项选择]We must （） on our reputation to expand the business.
A. improve
B. build
C. develop
D. weigh

[填空题]In the future, we may be able to expand on our knowledge of the kind of communication between mothers and children to ______.

[填空题]Not only must we be confident of our own future, we must also ______. (而且还要随时准备应付任何挫折)

[单项选择]Great （　） the difficulties are, we must do our best to succeed.
A. while
B. as
C. although
D. however

[单项选择]We must keep our ______ clean.
A. tooth
B. teeth
C. tooths

[单项选择]We must try to use our intellect （）
A. to the greatest advantage
B. for the most details
C. by the rarest chance
D. of the greatest significance

[填空题]We must treat all our people with fairness and dignity, ______(不论其种族、宗教或性别).

[填空题]We must have our goods (move) （） into the warehouse before it rains.

[填空题]We must adapt our thinking to the (change)（）conditions.

[填空题]We must have our goods (move)（）into the warehouse before it rains.

[单项选择]

In our society, we must communicate with other people. A great deal of communicating is performed on a person-to-person (1) by the simple means of speech. If we travel in buses, stand in football match (2) , we are likely to have conversations (3) we give information or opinions, and sometimes have our views (4) by other members of society.
Face-to-face contact is (5) the only form of communication, and during the last two hundred years the (6) of mass communication has become one of the dominating factors of contemporary society. Two things, (7) others, have caused the enormous growth of the communication industry. Firstly, inventiveness has (8) advances in printing, photography and so on. Secondly, speed has revolutionized the (9) and reception of communications so that local news often (10) a back seat to national news.
No longer is the possession of information (11) A. is being channeled
B. is broadcasting
C. is being discharged
D. is transmitting