The more actively involved in learning one gets, the more rapidly he/she will progress, that is, ________   plays an important role in knowledge acquisition.

A．courage    B．ambition    C．motivation D．talent

His accusation（诉讼）is hard to judge for the moment, because now all the existing laws don’t ______ it.

A．apply to    B．refer to     C．appeal for D．allow for

The U.S.A. makes a lot of excuses in an attempt to make war on Iran, however, its _________   purpose lies in the abundant oil there.

A．logical      B．fundamental     C．accurate   D．common

After a long discussion about the advantages and disadvantages of the plan, they finally came to a(n)       that it was practical.

A．decision           B．opinion            C．conclusion              D．impression

The government has decided to have the shabby old buildings       to make way for the new streets leading to the beautiful West Lake.

A．let off       B．let down   C．knocked off     D．knocked down

Despite high prices of the goods, the shopping mall is always attracting a lot of customers for its ______  supplies.

A．various     B．discount    C．abundant   D．effective

It is those who are       of the matter that should answer for it, so don’t be worried.

A．involved           B．associated        C．accused           D．related

—What do you think of the displayed clothes in the shop window?

—Perfect. All of them are designed       the most fashionable styles.

A．in exchange for                                          B．in answer to        

C．in want of                                D．in accordance with

Considering the complicated a academic topic, try to       your speech in case it should go beyond the children.

A．deliver             B．account           C．simplify           D．shorten

During the flight to the Moon, Change I Satellite       adjusts her direction so that she can go into her programmed orbit and then circle around it at the most appropriate angle（角度）.

A．eventually        B．gradually          C．constantly        D．continuously