Most of you graduating today will be employees all your working life, working for somebody else and for a paycheck. And so will most, (21) not all, of the thousands of other young Americans graduating this year in all the other schools and colleges across the country.
(22) has become a society of employees. A hundred years or so ago only one (23) every five Americans all work was employed, i. e. , worked for somebody else. Today only 20% of Americans are not employed but working for themselves. And (24) fifty years ago "being employed" meant (25) as a factory laborer or as a farm hand, the employee of today is increasingly a middle-class person with a (26) formal education, holding a professional or management job requiring (27) and technical skills. (28) , two things have characterized American society during these last fifty years: the middle and upper classes have become employees; and middleclass and (29) employees have been the fastest growing groups in our working population-growing so fast that the industrial worker, that (30) child of the Industrial Revolution, has been losing in numerical importance (31) the expansion of industrial
production.
This is one of the most profound social changes any country (32) . It is, however, a perhaps (33) greater change for the individual young man (34) to start. Whatever he does, in all (35) , he will do it as an employee; wherever he aims, he will have to try to reach it (36) being an employee.

A:when  B:where  C:what  D:wherever

Everyone uses the expressions AM and PM. But do you exactly know what they mean and how they came into being
As you know, the turning of the earth makes the sun and the stars seem to move across the sky. Daylight, of course, (21) ,when the sun rises in the east and when the sun is high (22) the sky, between these two positions, half of the daylight hours have been spent.
Therefore, by noticing (23) the sun stood in the sky, early man know they could tell the time of the day. At night the motion of the stars (24) the same purpose. The important thing in keeping time is to know the exact moment of (25) . For each of us, wherever we are, noon is when the sun is directly overhead. Think of an imaginary line (26) the sky,, stretching from the north point of your horizon just to the south point.
When the sun cross your meridian (子午线), it is noon for you. When the sun still (27) of this line, or the meridian, it is morning. After the sun has crossed this line, it is (28) .
The Latin word for "midday" is "deridian", (29) which comes our word meridian. So AM is an abbreviation(缩写词) for "ante meridean", or before midday, and PM for after midday. Each or the world’s time zones (时区)is about fifteen degrees wide in longitude (经度), which is about the distance the sun moves through the sky in an hour. (30) lives in the same time zone observes noon at the same moment. In this way, the time is different by one hour as you move through each time zone.

A:wherever B:where C:how D:when

Most of you graduating today will be employees all your working life, working for somebody else and for a paycheck. And so will most, (21) not all, of the thousands of other young Americans graduating this year in all the other schools and colleges across the country.
(22) has become a society of employees. A hundred years or so ago only one (23) every five Americans all work was employed, i.e. , worked for somebody else. Today only 20% of Americans are not employed but working for themselves. And (24) fifty years ago "being employed" meant (25) as a factory laborer or as a farm hand, the employee of today is increasingly a middle-class person with a (26) formal education, holding a professional or management job requiring (27) and technical skills. (28) , two things have characterized American society during these last fifty years: the middle and upper classes have become employees; and middle-class and (29) employees have been the fastest growing groups in our working population-growing so fast that the industrial worker, that (30) child of the Industrial Revolution, has been losing in numerical importance (31) the expansion of industrial production.
This is one of the most profound social changes any country (32) . It is, however, a perhaps (33) greater change for the individual young man (34) to start. Whatever he does, in all (35) , he will do it as an employee; wherever he aims, he Will have to try to reach it (36) being an employee.
As an employee you work with and through other people. This means that your success as an employee will (37) on your ability to communicate with people and to present your own thoughts and ideas to them (38) they will both understand what you are driving (39) and be persuaded. The letter, the report or memorandum (记录) the (40) spoken "presentation" to a committee are basic tools of the employee.

A:When B:where C:what D:wherever

Everyone uses the expressions AM and PM. But do you exactly know what they mean and how they came into being
As you know, the turning of the earth makes the sun and the stars seem to move across the sky. Daylight, of course, (21) , when the sun rises in the east and when the sun is high (22) the sky, between these two positions, half of the daylight hours have been spent.
Therefore, by noticing (23) the sun stood in the sky, early man know they could tell the time of the day, At night the motion of the stars (24) the same purpose. The important thing in keeping time is to know the exact moment of (25) . For each of us, wherever we are, noon is when the sun is directly overhead. Think of an imaginary line (26) the sky, stretching from the north point of your horizon just to the south point.
When the sun cross your meridian (子午线), it is noon for you. When the sun still (27) of this line, or the meridian, it is morning. After the sun has crossed this line, it is (28) .
The Latin word for "midday" is "deridian", (29) which comes our word meridian. So AM is an abbreviation (缩写词) for "ante meridean", or before midday, and PM for after midday. Each or the world’s time zones (时区) is about fifteen degrees wide in longitude (经度), which is about the distance the sun moves through tile sky in all hour. (30) lives in the same time zone observes noon at the same moment. In this way, the time is different by one hour as you move through each time zone.

A:wherever B:where C:how D:when

Everyone uses the expressions AM and PM. But do you exactly know what they mean and how they came into being
As you know, the turning of the earth makes the sun and the stars seem to move across the sky. Daylight,of course, (21) . when the sun rises in the east and ends in the west,when the sun is high (22) the sky, between these two positions, half of the daylight hours have been spent.
Therefore, by noticing (23) the sun stood in the sky, early man know they could tell the time of the day. At night the motion of the stars (24) the same purpose. The important thing in keeping time is to know the exact moment of (25) . For each of us,wherever we are, noon is when the sun is directly over head. Think of an imaginary line (26) the sky, stretching from the north point of your horizon just to the south point.
When the sun cross your meridian (子午线), it is noon for you. When the sun still (27) of this line, or the meridian, it is morning. After the sun has crossed this line, it is (28) .
The Latin word for" midday" is" deridian" , (29) which comes our word meridian. So AM is an abbreviation(缩写词) for "ante meridian " ,of before midday, and PM for after midday. Each of the world’s time zones(时区)is about fifteer degrees wide in longitude(经度) ,which is about the distance the sun moves through the sky in an hour. (30) lives in the same zone observes noon at the same moment. In this way, the time is different by one hour. as you move through each time zone.

A:wherever B:where C:when D:why

Everyone uses the expressions AM and PM. But do you exactly know what they mean and how they came into being
As you know, the turning of the earth makes the sun and the stars seem to move across the sky. Daylight, of course, (21) , when the sun rises in the east and when the sun is high (22) the sky, between these two positions, half of the daylight hours have been spent.
Therefore, by noticing (23) the sun stood in the sky, early man know they could tell the time of the day, At night the motion of the stars (24) the same purpose. The important thing in keeping time is to know the exact moment of (25) . For each of us, wherever we are, noon is when the sun is directly overhead. Think of an imaginary line (26) the sky, stretching from the north point of your horizon just to the south point.
When the sun cross your meridian (子午线), it is noon for you. When the sun still (27) of this line, or the meridian, it is morning. After the sun has crossed this line, it is (28) .
The Latin word for "midday" is "deridian", (29) which comes our word meridian. So AM is an abbreviation (缩写词) for "ante meridean", or before midday, and PM for after midday. Each or the world’s time zones (时区) is about fifteen degrees wide in longitude (经度), which is about the distance the sun moves through tile sky in all hour. (30) lives in the same time zone observes noon at the same moment. In this way, the time is different by one hour as you move through each time zone.

A:wherever B:where C:how D:when

Most of you graduating today will be employees all your working life, working for somebody else and for a paycheck. And so will most, (21) not all, of the thousands of other young Americans graduating this year in all the other schools and colleges across the country.
(22) has become a society of employees. A hundred years or so ago only one (23) every five Americans all work was employed, i.e. , worked for somebody else. Today only 20% of Americans are not employed but working for themselves. And (24) fifty years ago "being employed" meant (25) as a factory laborer or as a farm hand, the employee of today is increasingly a middle-class person with a (26) formal education, holding a professional or management job requiring (27) and technical skills. (28) , two things have characterized American society during these last fifty years: the middle and upper classes have become employees; and middle-class and (29) employees have been the fastest growing groups in our working population-growing so fast that the industrial worker, that (30) child of the Industrial Revolution, has been losing in numerical importance (31) the expansion of industrial production.
This is one of the most profound social changes any country (32) . It is, however, a perhaps (33) greater change for the individual young man (34) to start. Whatever he does, in all (35) , he will do it as an employee; wherever he aims, he Will have to try to reach it (36) being an employee.
As an employee you work with and through other people. This means that your success as an employee will (37) on your ability to communicate with people and to present your own thoughts and ideas to them (38) they will both understand what you are driving (39) and be persuaded. The letter, the report or memorandum (记录) the (40) spoken "presentation" to a committee are basic tools of the employee.

A:When B:where C:what D:wherever

Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on ANSWER SHEET I.

A:When B:where C:what D:wherever