[单项选择]Nicotine gum is used to help a smoker
A. reduce weight.
B. stop smoking.
C. clean his teeth.
D. absorb nicotine immediately.

[单项选择]Nicotine gum is used to help a smoker
A. reduce weight.
B. stop smoking.
C. clean his teeth.
D. absorb nicotine immediately.

[单项选择]

Passage Five Many animals are used to help scientists find cures for diseases. One of the most common animals used is monkeys, or primates. There are groups of people who want to stop the research on animals. They are called animal rights activists. The scientists say their research could help save the lives of many men, women and children. They try to cure diseases like cancer and AIDS. The animal rights activists say the animals suffer. They take baby monkeys away from their mothers, and sometimes holes are drilled in their heads. The activists have tried to stop the research for the past 10 years. They let animals go free or damage the labs. The University of California at Davis has 3,800 rhesus macaque monkeys. It is one of the largest primate research labs. The activists sent letters to researchers at Davis and about eighty other researchers around the country, whose names were on the web pages. The warning letters had razor blades hidden so that a person could slice
A. In the newspaper.
B. On the radio.
C. On a web page.
D. On the television.

[单项选择]Computer games can be used to help children develop their reading skills.

[单项选择]Preventing smoker-caused forest fires is mainly a problem of ______.
A. building the proper knowledge and habits in human beings
B. safeguarding the forests from fire
C. posting roles in forests
D. holding the damage to minimum

[单项选择]The country where the number of young women smokers increases fastest is ______
A. Norway
B. Austria
C. Hungary
D. Sweden

[单项选择]Americans had been chewing gum since before Thomas Adams was born.

[单项选择]William Wrigley sent free gum to every pretty woman in the US.

[单项选择]Following the success of chewing gum, schools handed out gum to school children.

[单项选择]A child with leukemia presents with peteehiae; gums, lips, and nose that bleed easily; and bruising on various parts of her body. Which of the following laboratory test results would the nurse correlate with these findings
A. Platelet count of 80×10³/mm³.
B. Serum calcium level of 5 mg/dL.
C. Fibrinogen level of 75 mg/dL.
D. Partial thromboplastin time (PTT) of 38 seconds.

[单项选择]It's hard for a smoker to ______ smoking.

[单项选择]Americans began to chew more and more gum mainly because of Wrigley's continuous advertising.

[单项选择]The villagers have offered much help to help us and we think we should do something for them ______.


A. in return
B. in place
C. in fashion
D. in danger

[单项选择]The proverb "God help those who help themselves" is related to ______. ( )
A. Christianity
B. literary works
C. geography
D. navigation

[单项选择]"God help those who help themselves" is a citation from the work of ______.
A. Paine
B. Franklin
C. Freneau
D. Jefferson

[单项选择]Who first used umbrellas
A. Chinese
B. Romans
C. Creeks
D. Egyptians