[单项选择]（）is the core leadership committee of the British government.
A. Parliament
B. Privy council
C. Central government
D. The Cabinet

[单项选择]

Committee X and committee Y, which have no common members, will combine to form Committee Z. Does Committee X have more members than Committee Y ？（）
(1)The average (arithmetic mean) age of the members of Committee X is 25.7 years and the average age of the members of Committee Y is 29.3 years.
(2)The average (arithmetic mean) age of the members of Committee Z will be 26.6 years.

A. 条件（1）充分，但条件（2）不充分.
B. 条件（2）充分，但条件（1）不充分.
C. 条件（1）和（2）单独都不充分，但条件（1）和条件（2）联合起来充分.
D. 条件（1）充分，条件（2）也充分.
E. 条件（1）和条件（2）单独都不充分，条件（1）和条件（2）联合起来也不充分.

[单项选择]

When British voters go to the polls during General Elections to decide (51) will govern them they usually have a choice of at least three candidates who will each (52) one of the three main political parties in Britain today.
The Labour Party is the party of (53) , while the Tory Conservative Party the right and (54) the two, with policies and opinions of its own, is the smaller Liberal Party.
Britain is divided into over 600 political units called "constituencies", each with (55) own candidates who stand for Parliament hoping to be elected (or re-elected) with large majorities. The cities and large towns are themselves divided into constituencies and they also choose the Members of parliament (MPs) who will represent their (56) in the houses of Parliament at Westminster. Here, in the "House", the government (57) the day
A. between
B. among
C. from
D. amidst