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举一反三
【单选题】About Gender: Differences It is said that the first thing we ask about a newborn baby is "Is it a boy or a girl" But it might be considered that this is the first thing we ask ourselves whenever we me...
A.
biological reasons
B.
social reasons
C.
economic reasons
D.
reasons not mentioned in the passage
【单选题】有人认为，高水平的睾丸激素荷尔蒙是导致男性心脏病发作的主要原因。不过，这种观点是错误的，因为有心脏病男性的睾丸激素水平一般比没有心脏病的男性低。上面的论述是基于下列哪一个假设的？（ ）
A.
对某个缺乏维生素的孕妇的日常饮食进行检测，确定其中维生素的含量
B.
对某个不缺乏维生素的孕妇的日常饮食进行检测，确定其中维生素的含量
C.
对孕妇的科学食谱进行研究，以确定有利于孕妇摄入足量维生素的最佳食谱
D.
对日常饮食中维生素足量的一个孕妇和一个非孕妇进行检测，并分别确定她们是否缺乏维生素
【单选题】The Mental Benefits of Being Fit①Exercise has obvious benefits to the body, but not all of them are physical. A goes through many changes in his or her body, brain and hormones（荷尔蒙）. A ...
A.
Reduction of stress
B.
Benefits of exercise
C.
Release of more hormones
D.
Increase of self-confidence
E.
Increase of happiness levels
F.
Improvement of intelce
【单选题】人的体味中存在两种名为AND和EST的荷尔蒙，结构如图所示。下列说法不正确的是 [ ]
A.
AND和EST都能使酸性KMnO4溶液褪色
B.
AND和EST两者的相对分子质量之差为14
C.
AND和EST分别与足量氢气加成后的两种生成物 互为同系物
D.
AND和EST与溴水完全反应消耗溴单质的物质的量之比为2：3
【单选题】相关研究发现，每天睡眠不足7小时的人普遍比睡眠时间更长的人胖。这是因为睡眠不足影响了新陈代谢功能，使刺激食欲的荷尔蒙增加，同时产生饱胀感的荷尔蒙水平降低。 由此必能推出：
A.
胖人的食欲比体重正常的人好
B.
睡眠状况影响新陈代谢
C.
荷尔蒙水平影响食欲
D.
胖人的荷尔蒙水平可能异于常人
【单选题】相关研究发现，每天睡眠不足7小时的人普遍比睡眠时间更长的人胖。这是因为睡眠不足影响了新陈代谢功能，使刺激食欲的荷尔蒙增加，同时产生饱胀感的荷尔蒙水平降低。 由此必能推出：
A.
胖人的食欲比体重正常的人好
B.
睡眠状况影响新陈代谢
C.
荷尔蒙水平影响食欲
D.
胖人的荷尔蒙水平可能异于常人
【单选题】相关研究发现，每天睡眠不足7小时的人普遍比睡眠时间更长的人胖。这是因为睡眠不足影响了新陈代谢功能，使刺激食欲的荷尔蒙增加，同时产生饱胀感的荷尔蒙水平降低。 由此必能推出：
A.
胖人的食欲比体重正常的人好
B.
睡眠状况影响新陈代谢
C.
荷尔蒙水平影响食欲
D.
胖人的荷尔蒙水平可能异于常人
【单选题】根据材料回答下列各题： 第一篇 Genetic Engineering Genetic ehgineering began when the DNA molecule(分子)，the most basic unit of life，was first described in l953 by James Watson and Francis Crick．An understanding of DN...
A.
the effects of altering cells
B.
the human growth hormone
C.
insulin resistance
D.
U．S．Supreme Court rulings
【单选题】About Gender: Differences It is said that the first thing we ask about a newborn baby is "Is it a boy or a girl" But it might be considered that this is the first thing we ask ourselves whenever we me...
A.
female athletes will have run faster than male ones by the middle of the next century
B.
men intend to run faster than women because they are in a more advantageous physical condition
C.
women have improved much more in running speed than men because the former seem to have greater endurance
D.
the rate of improvement in running speed for female athletes has much reduced since the research began
【单选题】The Mental Benefits of Being Fit①Exercise has obvious benefits to the body, but not all of them are physical. A goes through many changes in his or her body, brain and hormones（荷尔蒙）. A ...
A.
difficulties in life
B.
supporting his parents
C.
without any reason
D.
performance in school
E.
physically and mentally
F.
doing exercise that interests him
【单选题】The Mental Benefits of Being Fit①Exercise has obvious benefits to the body, but not all of them are physical. A goes through many changes in his or her body, brain and hormones（荷尔蒙）. A ...
A.
Reduction of stress
B.
Benefits of exercise
C.
Release of more hormones
D.
Increase of self-confidence
E.
Increase of happiness levels
F.
Improvement of intelce
相关题目：
【单选题】About Gender: Differences It is said that the first thing we ask about a newborn baby is "Is it a boy or a girl" But it might be considered that this is the first thing we ask ourselves whenever we me...
A.
biological reasons
B.
social reasons
C.
economic reasons
D.
reasons not mentioned in the passage
【单选题】有人认为，高水平的睾丸激素荷尔蒙是导致男性心脏病发作的主要原因。不过，这种观点是错误的，因为有心脏病男性的睾丸激素水平一般比没有心脏病的男性低。上面的论述是基于下列哪一个假设的？（ ）
A.
对某个缺乏维生素的孕妇的日常饮食进行检测，确定其中维生素的含量
B.
对某个不缺乏维生素的孕妇的日常饮食进行检测，确定其中维生素的含量
C.
对孕妇的科学食谱进行研究，以确定有利于孕妇摄入足量维生素的最佳食谱
D.
对日常饮食中维生素足量的一个孕妇和一个非孕妇进行检测，并分别确定她们是否缺乏维生素
【单选题】The Mental Benefits of Being Fit①Exercise has obvious benefits to the body, but not all of them are physical. A goes through many changes in his or her body, brain and hormones（荷尔蒙）. A ...
A.
Reduction of stress
B.
Benefits of exercise
C.
Release of more hormones
D.
Increase of self-confidence
E.
Increase of happiness levels
F.
Improvement of intelce
【单选题】人的体味中存在两种名为AND和EST的荷尔蒙，结构如图所示。下列说法不正确的是 [ ]
A.
AND和EST都能使酸性KMnO4溶液褪色
B.
AND和EST两者的相对分子质量之差为14
C.
AND和EST分别与足量氢气加成后的两种生成物 互为同系物
D.
AND和EST与溴水完全反应消耗溴单质的物质的量之比为2：3
【单选题】相关研究发现，每天睡眠不足7小时的人普遍比睡眠时间更长的人胖。这是因为睡眠不足影响了新陈代谢功能，使刺激食欲的荷尔蒙增加，同时产生饱胀感的荷尔蒙水平降低。 由此必能推出：
A.
胖人的食欲比体重正常的人好
B.
睡眠状况影响新陈代谢
C.
荷尔蒙水平影响食欲
D.
胖人的荷尔蒙水平可能异于常人
【单选题】相关研究发现，每天睡眠不足7小时的人普遍比睡眠时间更长的人胖。这是因为睡眠不足影响了新陈代谢功能，使刺激食欲的荷尔蒙增加，同时产生饱胀感的荷尔蒙水平降低。 由此必能推出：
A.
胖人的食欲比体重正常的人好
B.
睡眠状况影响新陈代谢
C.
荷尔蒙水平影响食欲
D.
胖人的荷尔蒙水平可能异于常人
【单选题】相关研究发现，每天睡眠不足7小时的人普遍比睡眠时间更长的人胖。这是因为睡眠不足影响了新陈代谢功能，使刺激食欲的荷尔蒙增加，同时产生饱胀感的荷尔蒙水平降低。 由此必能推出：
A.
胖人的食欲比体重正常的人好
B.
睡眠状况影响新陈代谢
C.
荷尔蒙水平影响食欲
D.
胖人的荷尔蒙水平可能异于常人
【单选题】根据材料回答下列各题： 第一篇 Genetic Engineering Genetic ehgineering began when the DNA molecule(分子)，the most basic unit of life，was first described in l953 by James Watson and Francis Crick．An understanding of DN...
A.
the effects of altering cells
B.
the human growth hormone
C.
insulin resistance
D.
U．S．Supreme Court rulings
【单选题】About Gender: Differences It is said that the first thing we ask about a newborn baby is "Is it a boy or a girl" But it might be considered that this is the first thing we ask ourselves whenever we me...
A.
female athletes will have run faster than male ones by the middle of the next century
B.
men intend to run faster than women because they are in a more advantageous physical condition
C.
women have improved much more in running speed than men because the former seem to have greater endurance
D.
the rate of improvement in running speed for female athletes has much reduced since the research began
【单选题】The Mental Benefits of Being Fit①Exercise has obvious benefits to the body, but not all of them are physical. A goes through many changes in his or her body, brain and hormones（荷尔蒙）. A ...
A.
difficulties in life
B.
supporting his parents
C.
without any reason
D.
performance in school
E.
physically and mentally
F.
doing exercise that interests him
【单选题】The Mental Benefits of Being Fit①Exercise has obvious benefits to the body, but not all of them are physical. A goes through many changes in his or her body, brain and hormones（荷尔蒙）. A ...
A.
Reduction of stress
B.
Benefits of exercise
C.
Release of more hormones
D.
Increase of self-confidence
E.
Increase of happiness levels
F.
Improvement of intelce
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