[单项选择]The primary aim of some companies' sponsoring the search engines is to______.
A. cash in on their important role as Web guides
B. boost their avenue
C. reverse a series of losses
D. have their sites visited by the Internet users more

[单项选择]Some companies have introduced flexible working time with less emphasis on pressure ______.


A. than more on efficiency
B. and more on efficiency
C. and more efficiency
D. than efficiency

[单项选择]Why was AIM founded in 1968

[单项选择]Some researchers have undertaken some psychological studies which prove that many children develop fears of ______ dangers.
A. imagination
B. imaginary
C. imaginable
D. imaginative

[单项选择]What is the aim of this diet program


A. To keep healthy first and to lose weight second.
B. To lose weight as much as possible.
C. To lose weight at the cost of the health.
D. To lose weight first and to keep healthy secon

[单项选择]The primary dissimilarity between the youth market in Europe and that in the U.S. is that______.


A. the volume of sales in Europe is more enormous than that in America
B. there are more abundant sorts of goods in Europe than in America
C. the prominent consumers in the youth market in Europe are the working youth
D. the young customers in Europe have comparatively larger purchasing power

[单项选择]What was the aim of the investigation referred to in the passage


A. To provide some kind of identification of a few Neolithic met.
B. To find out more about the period when the antlers were used.
C. To discover more about the purpose of the antlers.
D. To learn more about the types of men who used the antlers.

[单项选择]Safety is always my primary concern.
A. secondary
B. least
C. last
D. chief

[单项选择]Why did AIM organize a number of demonstrations from the late 192s through the late 1970s

[单项选择]The aim of the voyages Maury was responsible for in the 1840 was ______.


A. to make some sounding experiments in the oceans
B. to collect sample of sea plants and animals
C. to estimate the length of cable that was needed
D. to measure the depths of the two oceans

[单项选择]The primary purpose of the passage is to


A. explain and resolve a controversy among meteorologists
B. present and describe a recently discovered phenomenon
C. suggest and prove a theory on the cause of a phenomenon
D. describe and confirm research findings under question
E. (E) discuss and evaluate the soundness of certain experimental observations

[单项选择]The primary objective of Basic Econometrics is to provide an elementary but an comprehensive introduction to the art and science of econometrics.
A. brief
B. precise
C. simplified
D. extensive

[单项选择]

Usually the primary purpose of textbook writing is to inform. In textbooks, authors wellinformed in a particular subject or discipline identify the terms, facts, and opinions considered essential to an understanding of the field. While authors’ personal interests play a role in what terms or facts are selected and how they are interpreted, the writing bears a primary or central goal which is not to persuade you to see things from the same perspective. In fact, textbook authors frequently give equal time to opposing points of view so that readers can draw their own conclusion.
However, as you turn from your textbooks to the pages of newspapers and magazines, you may encounter writers with other primary goals. Some write to entertain; others write simply to air a personal preference. However, a good portion of the writers you encounter, particularly on the editorial (社论) pages, write in the hope that you will share or at least seriously consider adopting their
A. Textbook writers are usually better informed in their subjects.
B. Textbook writers are more objective than other types of writers.
C. Editorials aim at sharing facts with the readers.
D. All magazine articles have the aim to share opinions with the readers.

[单项选择]The primary reason that President Bush starts new education reforms is that ______.


A. more children will achieve success in school and in life due to the reforms
B. the greatest changes have taken place in education in a generation
C. these reforms may help him win the next presidential election
D. he has no excuse for failing the children to go to a better school

[单项选择]For relation R where primary key contains multiple attributes,no non-key attribute should be functionally dependent on a part of the primary key. This relation R is at least in
A. 1NF
B. 2NF
C. 3NF
D. BCNF