[单项选择]controversy（）
A. the price or cost of transportation.
B. easily to go bad.
C. not to do something that has been arranged or decided upon.
D. something designed, built or installed to serve a specific function or perform a particular service.
E. the act of paying a bill, debt, charge, etc.
F. trader through whom goods pass between the producer and the customer.
G. a tract of land including its buildings.
H. an official group of persons who direct or supervise some activities of a firm.
I. public argument about something which many people disagree with.
J. a way by which a place, esp. property can be reached or entered or used.

[单项选择]What was the controversy about
A. Whether it is necessary to put labels on prepared foods.
B. What ingredient should a nutrition label list.
C. How to get consumers to read labels more carefully.
D. What food information should be provided to consumers.

[单项选择]A controversy erupted in the scientific community in early 1998 over the use of DNA (deoxyribonucleic acid) fingerprinting in criminal investigations. DNA fingerprinting was introduced in 1987 as a method to identify individuals based on a pattern seen in their DNA, the molecule of which genes are made. DNA is present in every cell of the body except red blood cells. DNA fingerprinting has been used successfully in various ways, such as to determine paternity (父亲的身份) where it is not clear who the father of a particular child is. However, it is in the area of criminal investigations that DNA fingerprinting has potentially powerful and controversial uses.
DNA fingerprinting and other DNA analysis techniques have revolutionized criminal investigations by giving investigators powerful new tools in the attempt to prove guilt, not just establish innocence. When used in criminal investigations, a DNA fingerprint pattern from a suspect is compared with a DNA fingerprint pattern o
A. would have to leave their fingerprints for further investigations
B. could easily escape conviction of guilt
C. would have to submit evidence for their innocence
D. could be convicted of guilt as well

[单项选择]
To paraphrase 18thcentury statesman Edmund Burke, "all that is needed for the triumph of a misguided cause is that good people do nothing. " One such cause now seeks to end biomedical research because of the theory that animals have rights ruling out their use in research. Scientists need to respond forcefully to animal rights advocates, whose arguments are confusing the public and thereby threatening advances in health knowledge and care. Leaders of the animal rights movement target biomedical research because it depends on public funding, and few people understand the process of health care research. Hearing allegations of cruelty to animals in research settings, many are perplexed that anyone would deliberately harm an animal.
For example, a grandmotherly woman staffing an animal rights booth at a recent street fair was distributing a brochure that encouraged readers not to use anything that comes from o
A. call on scientists to take some actions
B. criticize the misguided cause of animal rights
C. warn of the doom of biomedical research
D. show the triumph of the animal rights movement

[单项选择]

Political controversy about the public-land policy of the United States began with the America Revolution. (1) , even before independence from Britain was (2) , it became clear that (3) the dilemmas surrounding the public domain might prove necessary to (4) the Union itself.
At the peace negotiation with Britain, Americans obtained a western (5) at the Mississippi River. Thus the new nation secured for its birthright a vast internal empire rich in agricultural and mineral resources. But (6) their colonial charters, seven states claimed (7) of the western wilderness. Virginia’s claim was the largest, (8) north and west to encompass the later states. The language of the charters was (9) and their validity questionable, but during the war Virginia reinforced its title by sponsoring Colonel Georgia Rogers Clark’s 1778 (10) to Vicennes and Kaskaskia, which (11) America’s tra
A. imagined
B. asserted
C. admitted
D. doubted