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Alcohol may taste sweeter if you were exposed to it before birth, suggests a study in rats. The findings may shed new light【C1】why human studies have previously【C2】fetal alcohol exposure to increased alcohol【C3】later in life, and to a【C4】age at which a person【C5】starts drinking alcohol. Alcohol"s taste is a(n) 【C6】of sweet and bitter components. To【C7】whether prenatal alcohol exposure could【C8】the perception of these components, Steven Youngentob at the State University of New York in Syracuse and John Glendinning at Columbia University in New York【C9】how eagerly rats consumed alcohol, sweet water【C10】bitter water. They found that young rats whose mothers had consumed alcohol during pregnancy【C11】 alcohol and consumed more of the bitter water than the【C12】of mothers that didn"t consume alcohol. Rats that had been exposed to alcohol before birth also seemed to be more【C13】to the smell of alcohol. Prenatal exposure seems to reduce the【C14】bitterness of alcohol, making it seem【C15】 , says Youngentob. Both of these differences seemed to【C16】once the rats reached adulthood—but【C17】they hadn"t tasted alcohol during their youth. If prertatally exposed rats did consume alcohol in their youth, these preferences seemed to becom【C18】 for life. "The take-home message is to keep kids away from【C19】for as long as possible—【C20】 if they have had prenatal exposure," says Youngentob. 【C2】

A. linked
B. contrasted
C. contributed
D. dedicated

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Alcohol may taste sweeter if you were exposed to it before birth, suggests a study in rats. The findings may shed new light【C1】why human studies have previously【C2】fetal alcohol exposure to increased alcohol【C3】later in life, and to a【C4】age at which a person【C5】starts drinking alcohol. Alcohol"s taste is a(n) 【C6】of sweet and bitter components. To【C7】whether prenatal alcohol exposure could【C8】the perception of these components, Steven Youngentob at the State University of New York in Syracuse and John Glendinning at Columbia University in New York【C9】how eagerly rats consumed alcohol, sweet water【C10】bitter water. They found that young rats whose mothers had consumed alcohol during pregnancy【C11】 alcohol and consumed more of the bitter water than the【C12】of mothers that didn"t consume alcohol. Rats that had been exposed to alcohol before birth also seemed to be more【C13】to the smell of alcohol. Prenatal exposure seems to reduce the【C14】bitterness of alcohol, making it seem【C15】 , says Youngentob. Both of these differences seemed to【C16】once the rats reached adulthood—but【C17】they hadn"t tasted alcohol during their youth. If prertatally exposed rats did consume alcohol in their youth, these preferences seemed to becom【C18】 for life. "The take-home message is to keep kids away from【C19】for as long as possible—【C20】 if they have had prenatal exposure," says Youngentob. 【C5】

A. radically
B. first
C. finally
D. essentially

下列各项中医师在执业活动中所必须履行的义务，除外

A. 遵守法律、法规和技术操作规范
B. 树立敬业精神和遵守职业道德
C. 关心、爱护、尊重病人和保护患者隐私
D. 宣传卫生保健知识和对患者进行健康教育
E. 医师的人格尊严和人身安全不受侵犯

Alcohol may taste sweeter if you were exposed to it before birth, suggests a study in rats. The findings may shed new light【C1】why human studies have previously【C2】fetal alcohol exposure to increased alcohol【C3】later in life, and to a【C4】age at which a person【C5】starts drinking alcohol. Alcohol"s taste is a(n) 【C6】of sweet and bitter components. To【C7】whether prenatal alcohol exposure could【C8】the perception of these components, Steven Youngentob at the State University of New York in Syracuse and John Glendinning at Columbia University in New York【C9】how eagerly rats consumed alcohol, sweet water【C10】bitter water. They found that young rats whose mothers had consumed alcohol during pregnancy【C11】 alcohol and consumed more of the bitter water than the【C12】of mothers that didn"t consume alcohol. Rats that had been exposed to alcohol before birth also seemed to be more【C13】to the smell of alcohol. Prenatal exposure seems to reduce the【C14】bitterness of alcohol, making it seem【C15】 , says Youngentob. Both of these differences seemed to【C16】once the rats reached adulthood—but【C17】they hadn"t tasted alcohol during their youth. If prertatally exposed rats did consume alcohol in their youth, these preferences seemed to becom【C18】 for life. "The take-home message is to keep kids away from【C19】for as long as possible—【C20】 if they have had prenatal exposure," says Youngentob. 【C3】

A. refusal
B. access
C. abuse
D. use

Alcohol may taste sweeter if you were exposed to it before birth, suggests a study in rats. The findings may shed new light【C1】why human studies have previously【C2】fetal alcohol exposure to increased alcohol【C3】later in life, and to a【C4】age at which a person【C5】starts drinking alcohol. Alcohol"s taste is a(n) 【C6】of sweet and bitter components. To【C7】whether prenatal alcohol exposure could【C8】the perception of these components, Steven Youngentob at the State University of New York in Syracuse and John Glendinning at Columbia University in New York【C9】how eagerly rats consumed alcohol, sweet water【C10】bitter water. They found that young rats whose mothers had consumed alcohol during pregnancy【C11】 alcohol and consumed more of the bitter water than the【C12】of mothers that didn"t consume alcohol. Rats that had been exposed to alcohol before birth also seemed to be more【C13】to the smell of alcohol. Prenatal exposure seems to reduce the【C14】bitterness of alcohol, making it seem【C15】 , says Youngentob. Both of these differences seemed to【C16】once the rats reached adulthood—but【C17】they hadn"t tasted alcohol during their youth. If prertatally exposed rats did consume alcohol in their youth, these preferences seemed to becom【C18】 for life. "The take-home message is to keep kids away from【C19】for as long as possible—【C20】 if they have had prenatal exposure," says Youngentob. 【C1】

A. to
B. on
C. in
D. about