[单项选择]Software document is an important part of software and a basis of software development phase. It also influnces software's (72) .
A. Expansibility
B. Reusability
C. Portability
D. Maintenance

[单项选择]Software document is an important part of software and a basis of software's development phase. It also influnces software's
A. Reusability
B. Maintanence
C. Expansibility
D. Portability

[单项选择]( ) important document is the contract.
A. Most
B. More
C. Best
D. The most

[单项选择]The（ ）is the most important document for air cargo transportation.
A. B/L
B. AWB
C. SWB
D. NOR

[单项选择]An important part of the national government is the Foreign Service, {{U}}a branch{{/U}} of the Department of State.
A. a unity
B. a division
C. an embassy
D. an invasion

[单项选择]If a student doesn't understand an important part of the lesson, he or she__________.
A. will never be a good student
B. should ask another student for class notes
C. should get a perfect score
D. should ask the instructor to explain it

[单项选择]Just as relaxation is an important part of our lives,______ stress.
A. so is
B. as it is
C. and so is
D. the same is

[单项选择]

Work is a very important part of life in the United States. Americans spend most of their lives working. For most Americans, their work defines them. They are what they do. What happensd, then, when a person can no longer work
Most Americans stop working at the age of sixty-five or seventy and retire. Because work is such an important part of life in American culture, retirement can be very difficult for Americans. Retirees often feel that they are useless and unproductive. Of course, some people are happy to retire, but leaving one’s job, whatever it is, is a difficult change, even for those who look forward to retiring. Retirement can also bring financial problems. Many people depend on Social Security checks every month. During their working years, employees contribute a certain percentage of their salaries to the government. Each employer also gives a certain percentage to the government. When people retire, they receive this money as income. Sometimes t
A. An explanation of why the retirees feel lost.
B. The difficult situation the retirees have.
C. A different opinion of the physical and emotional needs of retirees.
D. A description of other activities that retirees can participate in.