[单项选择]While the total number of farmers engaged in agricultural production is barely half （　） it used to be in 1959, the size of the average farm has tripled.
A. that
B. what
C. which
D. how

[简答题]The total number of national holidays in China is stipulated by law. Yet people still argue about whether there should be "long holidays" or "short holidays" i.e. greater number of holidays concentrated around a great festival, or holidays scattered over a number of festivals. Which do you subscribe to, and why

[简答题]Workforce is defined as the total number of people who are available to work and earn incomes. The definition includes everyone who is employed or seeking paid employment, so it includes employers and the self-employed.
Although the size of the workforce depends a great deal on the size of the total population, there are several other influences which also affect it. The age distribution of the total population has a very marked effect on the available workforce. If the population has a high proportion of very young people or of those too old to work, then the available workforce would be lower than if there were an evenly spread age distribution. If the population grows rapidly from natural increase, i. e. , the number of births greatly exceeds the number of deaths, then as the total population increases, the proportion in the workforce declines.
Sometimes a population is described as aging, which means that the birth rate is either falling or growing very slowly, and as

[单项选择]　　Labor force is defined as being the total number of people who are available to work and earn income. This definition includes everyone who is employed or seeking paid employment, so it includes employees and the self-employed. Labor is one of the country’s resources which can be combined with other resources to produce the goods and services required by the community. 　　Though the size of the workforce relies greatly on the size of the total population, there are several other aspects which also affect it. The age distribution of the total population has a very marked effect on the available workforce. If the population has a high proportion of very young people or of those too old to work, then the available workforce would be lower than if there were an evenly spread age distribution. If the population grows rapidly from natural increase, i. e. the number of births greatly exceeds the number of deaths, then as a total population increases the proportion in the workforce declines.
A. people who are available to work and earn income
B. self-employed people only
C. only those who are looking for an employment
D. only the employees

[填空题]The total number of employment in Britain is Over 21.4 million.

[填空题]The total number of tests held by government, business and industry, etc. is much bigger than those held by schools.

[单项选择]

Labor force is defined as being the total number of people who are available to work and earn income. This definition includes everyone who is employed or seeking paid employment, so it includes employees and the self-employed. Labor is one of the country’s resources which can be combined with other resources to produce the goods and services required by the community.
Though the size of the workforce relies greatly on the size of the total population, there are several other aspects which also affect it. The age distribution of the total population has a very marked effect on the available workforce. If the population has a high proportion of very young people or of those too old to work, then the available workforce would be lower than if there were an evenly spread age distribution. If the population grows rapidly from natural increase, i. e. the number of births greatly exceeds the number of deaths, then as a total population increases, the proportion in the wor
A. more people are retiring than people entering the workforce
B. the birth rate is growing
C. there is an oversupply of workforce
D. young people outnumber old people