[单项选择]Workforce is composed of ______.
A. both the employed and the self-employed
B. people employed to work for others
C. both employers and employees
D. people available to work and earn incomes

[单项选择]The workforce have recently been calling for their working hours to be reduced. Many companies have (according) ______ switched to a five-day work.

[单项选择]

Text 3 Women account for almost half the workforce in western countries, and the lower ranks of many big companies reflect that ratio. But at the top of the corporate ladder it is a different story. For every ten men in the executive suite there is one woman, a ratio that has changed little since the term "the glass ceiling" was coined two decades ago to de scribe the barrier that allows women to see the top of the corporate ladder, but seems to stop them from reaching it. Despite much discussion, and efforts by both women’ s and business groups to break that barrier down, the world’ s biggest companies are still almost exclusively run’ by men. Yet, at the same time, a growing number of those companies have become convinced that it makes good business sense to have more women in their executive suite. Hardnosed male bastions such as ABB, BP and General Electric have renewed their efforts to help women reach the higher levels, not out of any sens
A. women' s barrier has been a hot topic.
B. most men are afflicted with "the glass ceiling".
C. people have long noticed the problem in women's promotion.
D. women' s and business groups have been striving for the promotion equality.

[单项选择]What is the summertime polar cap composed of
A. Dust.
B. Sand.
C. Water ice.
D. Volcanic rocks.

[单项选择]The size of the workforce declines when ______.
A. many people reach the retiring age
B. the birth rate falls rapidly
C. the number of retirees exceeds that of new workers
D. the death rate increases

[单项选择]The American population is composed of people of different ______ backgrounds.
A. aesthetic
B. ethnic
C. athletic
D. ethic

[单项选择]

The National Committee was composed of 22 manual workers and white-collar workers.（）

A. was made up
B. consisted of
C. was full of
D. instead of

[单项选择]The nucleus of the atom is composed of swiftly moving protons and neutrons that are held together by very strong forces.


A. mixed
B. propelled
C. pounded
D. bound

[单项选择]No one really knows who composed this piece of music, but it has been（） to Bach.
A. referred
B. associated
C. identified
D. attributed

[单项选择]The modern automobile is a composed of more than 14,000 parts.
A. ( complex technical system
B. ( system of complex technical
C. ( complex technical system that
D. ( system is technically comple

[单项选择]The United States is composed of fifty states, two of ______are separated from the others by land or water.
A. them
B. that
C. which
D. those