[单项选择]Collins and Anderson are cited in the text to indicate all the following EXCEPT that ______.


A. time-consuming effort is needed to accomplish the detailed map of gene in human DNA
B. human gene-therapy operations may be applied to the patients
C. gene-therapy now is already generally used to the treatment and prevention of human diseases
D. information about DNA may be used in the treatment an prevention of human diseases

[单项选择]Collins and Anderson are cited in the text to indicate all the following EXCEPT that ______.


A. time-consuming effort is needed to accomplish the detailed map of gene in human DNA
B. human gene-therapy operations may be applied to the patients
C. gene-therapy now is already generally used to the treatment and prevention of human diseases
D. information about DNA may be used in the treatment an prevention of human diseases

[单项选择]

Text 4
According to studies cited by the National Eating Disorders Association, 42 percent of girls in first through third grade want to be thinner, 81 percent of 10-year-olds are a {raid of being fat, and 51 percent of 9- and 10-year-old girls feel better about themselves if they are on a diet.
In many ways, this fixation on weight at ever earlier ages comes at an inopportune time physiologically. At a recent Hadassah meeting at the Woodlands Community Temple in White Plains, Dr. Marcie Schneider, the director of adolescent medicine at Greenwich Hospital, and Erica Leon, a registered dietitian, spoke about early adolescence as a time when a little hit of pudginess is necessary for proper growth, and youngsters wrestle constantly with their body image.
"I can’t tell you how many kids I’ve seen who’ve been on the Atkins diet, or on the South Beach diet," Ms. Leon said, adding that overweight children who try diets can be a
A. it is too bad for youngsters to be a bit fat.
B. it is necessary for the children to be a bit fat.
C. youngsters should struggle with their body image.
D. overweight children should not diet.

[单项选择]By saying "Ask the people of Indi

[单项选择]The last two sentences of the first paragraph indicate that Crabtree survived cancer. This is because______.


A. malignant cells in him were unable to develop into deadly ones
B. he was a generous man with immense energy and curiosity
C. the Lithic Lab at the Ohio State Museum employed him
D. he was determined that he was able to deter the disease

[单项选择]According to the professor, how can a speaker indicate that the topic is about to change


A. By pausing.
B. By raising pitch.
C. By lowering register.
D. By pointing to a chart.

[单项选择]According to the fourth paragraph, we know an Indian' s "tribal name" refers to his ______.


A. first name
B. second name
C. nickname
D. life name

[单项选择]Some people oppose the ownership d H-bombs by individuals on the grounds that ______.