Mark Twain once observed that giving up
smoking is easy. He knew, because he’d done it hundreds of times himself. Giving
up for ever is a trifle more difficult, apparently, and it is well known that it
is much more difficult for some people than for others. Why is this
so
Few doctors believe any longer that it is simply a question
of will power. And for those people that continue to view addicts as merely
"weak", recent genetic research may force a rethink. A study conducted by
Jacqueline Vink, of the Free University of Amsterdam, used a database called the
Netherlands Twin Register to analyze the smoking habits of twins. Her results,
published in the Pharmacogenomics Journal, suggest that an individual’s degree
of nicotine dependence, and even the number of cigarettes he smokes per day, are
strongly genetically influenced.
The N
A. her research is not based on the study of twins but on questionnaires.
B. her research does not emphasize the contrast between two kinds of twins.
C. her research is interested in the smoking habits of fraternal twins.
D. her research only focuses on the study of the DNA of adult twins.
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Mark Twain once ob"的相关试题:
[单项选择] Text 4
Mark Twain once observed that giving up
smoking is easy. He knew, because he’d done it hundreds of times himself. Giving
up for ever is a trifle more difficult, apparently, and it is well known that it
is much more difficult for some people than for others. Why is this
so
Few doctors believe any longer that it is simply a question
of will power. And for those people that continue to view addicts as merely
"weak", recent genetic research may force a rethink. A study conducted by
Jacqueline Vink, of the Free University of Amsterdam, used a database called the
Netherlands Twin Register to analyze the smoking habits of twins. Her results,
published in the Pharmacogenomics Journal, suggest that an individual’s degree
of nicotine dependence, and even the number of cigarettes he smokes per day, are
strongly genetically influenced.
The N
A. he is a man with very strong will power.
B. it is easy to give up smoking temporarily.
C. famous writers are often heavy smokers.
D. only few people have his determination.
[单项选择]
Mark Twain once observed that giving up smoking is easy. He knew, because he’d done it hundreds of times himself. Giving up for ever is a trifle more difficult, apparently, and it is well known that it is much more difficult for some people than for others. Why is this so
Few doctors believe any longer that it is simply a question of will power. And for those people that continue to view addicts as merely "weak", recent genetic research may force a rethink. A study conducted by Jacqueline Vink, of the Free University of Amsterdam, used a database called the Netherlands Twin Register to analyze the smoking habits of twins. Her results, published in the Pharmacogenomics Journal, suggest that an individual’s degree of nicotine dependence, and even the number of cigarettes he smokes per day, are strongly genetically influenced.
The Netherlands Twin Register is a voluntary database that contains details of some 7,000 pairs of adult twins (aged bet
A. he is a man with very strong will power
B. it is easy to give up smoking temporarily
C. famous writers are often heavy smokers
D. only few people have his determination
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