Which of the following does NOT constitute a duty owed by an employee towards his employer under the common law？（）

单项选择题He（）here for eight years.

A.lived
B.has lived
C.lives
D.is living

单项选择题Which is not a significant difference between manufacturing and service operations？（）

A.cost per unit
B.uniformity of output
C.labor content of jobs
D.customer contact
E.measurement of productivity

单项选择题In some European nations，the working people may face much higher taxes because（）.

A.the nation needs more and more money
B.the retired people become more and more
C.the number of deaths becomes more and more
D.the working chances become more and more

单项选择题China has cut its rate of population growth by（）since 1970.

A.50%
B.75%
C.150%
D.1.5%

单项选择题Which of the following is not mentioned in the passage as a reason for birth rate drop？（）

A.More men and women marry late.
B.More women are going to work.
C.More governments support family planning.
D.More men and women decide to remain single.

单项选择题Families become smaller now in （）.

A.developing and industrial nations
B.developing and western nations
C.China and European nations
D.China and developing nations

单项选择题When the 2075 comes，how many people will there be on earth？（）

A.6 billion
B.4 billion
C.11 billion
D.10 billion

单项选择题Whom do you think the speaker addresses？（）

A.Faculty
B.Students
C.Residents
D.Graduated students

单项选择题What should students who are interested in the tutorials do？（）

A.Contact the elementary school.
B.Sign up for a special class.
C.Submit a resume to the dean.
D.Talk to Professor Dodge.

单项选择题What does Professor Dodge do？（）

A.He advises students to participate in certain program.
B.He teaches part-time in an elementary school.
C.He observes elementary school students in the classroom.
D.He helps students prepare their resumes.