[单项选择]Routine plans or actions serve a useful purpose because they______.
A. can save people plenty of time
B. can ensure a good score in an exam
C. enable people to make better decisions
D. may measure the success people have achieved

[单项选择]Hawks serve an important purpose in the scheme of nature ______ on destructive rodents, such as mice and rats.
A. by preying
B. in order that preying
C. that they prey
D. than to prey

[判断题]Lesson plans are useful only before the lesson.（）

[单项选择]Their plans（）.
A. went through
B. went over
C. went by
D. through

[单项选择]Trust departments serve as trustees in connection with bond issues and as ______ agents and registrars for corporations.
A. resident
B. transfer
C. home
D. individual

[单项选择]The Xinjiang Airlines serve passengers and customers in the southeast of China only.
A. serves
B. to serve
C. serving
D. service

[单项选择]What meals did the first diners serve
A. Only breakfast.
B. Only lunch.
C. Only late-night meals.
D. Only supper

[单项选择]Why are sharks useful for humans


A. For their tasty meat.
B. For the principle of their defense system against disease.
C. For their solid skin.
D. For the principle of their birth modes.

[单项选择]School integration plans that involve busing between suburban and central-city areas have contributed, according to a recent study, to any future need for busing.
A. significant increases in housing integration, which, in turn, reduces
B. significant integration increases in housing, which, in turn, reduces
C. increases housing integration significantly, which, in turn, reduces
D. increases housing integration significantly, which, in mm, reduce

[单项选择]The purpose of insurance is to
A. give you money whenever you need.
B. protect you from financial risks.
C. save money.
D. outlive money.

[单项选择]The purpose of this passage is

[单项选择]Commodity inspection may serve as the basic evidence for （　）trade disputes.
A. testing
B. inspecting
C. resolving
D. making

[单项选择]Which of the following statements would best serve as an introduction to the passage
A. (A) It is easy to see why the confusion of skepticism with relativism, or of justification with truth, is rationally so debilitating.
B. (B) The presumption that genuine truth is possible without a measure of justification is a most mischievous error.
C. (C) If scientists would stop lauding scientific rationality in the face of reason, irrationalism would be less popular.
D. (D) Scientific hypotheses are not untrustworthy or unreliable except in the sense of being sometimes false.
E. (E) Faced with their detractors, scientists characteristically retort that science, unlike witchcraft, works.

[单项选择]Those who think education should serve the economy are of the opinion that _______.
A. all subjects should have some relationship to economics
B. knowledge is to be perceived as preserving a nations cultural history
C. knowledge is to be transmitted
D. students must learn how to be businessmen