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【多选题】
原子吸收分光光度计的原子化器包括
A.
火焰原子化器
B.
冷原子化器
C.
石墨炉原子化器
D.
高温原子化器
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【单选题】听力原文： The key question for any only child is this: why were you an only child? It's a key question for at least two reasons. If your parents had wanted several children but could have only you, they a...
A.
Those who are themselves spoiled and self-centered.
B.
Those who expected to have several children but could only have one.
C.
Those who like to give expensive jewels to their children.
D.
Those who give birth to their only children when they are below 30.
查看完整题目与答案
【单选题】多基因遗传病患者的同胞发病风险是( )
A.
50%
B.
25%
C.
12.5%
D.
1%~10%
E.
0.1~1%
查看完整题目与答案
【多选题】多基因遗传病的特点是( )。
A.
有家族聚集倾向
B.
发病率有种族差异
C.
每种病的发病率均高于0.1%
D.
患者同胞的发病风险为1/2或1/4
查看完整题目与答案
【简答题】右图曲线表示各类遗传病在人体不同发育阶段的发病风险，请分析回答 图中多基因遗传病的显著特点是（）。21三体综合征属于（）遗传病，其男性患者的体细胞的染色体组成为（）
查看完整题目与答案
【单选题】糖尿病是一种多基因遗传病，一般人群中的发病率为0.2%，遗传率为75%，患者同胞弟弟的再发风险是
A.
1/2
B.
4.47%
C.
0.2%
D.
75 %
查看完整题目与答案
【单选题】听力原文： The key question for any only child is this: Why were you an only child? It's a key question for at least two reasons. If your parents had wanted several children, but could have you only, they ...
A.
Those who are themselves spoiled and self-centered.
B.
Those who expected to have several children but could only have one.
C.
Those who like to give expensive jewels to their children.
D.
Those who give birth to their only children when they are below 30.
查看完整题目与答案
【单选题】听力原文： The key question for any only child is this: why were you an only child? It's a key question for at least two reasons. If your parents had wanted several children but could have you only, they a...
A.
Those who are themselves spoiled and self-centered.
B.
Those who expected to have several children but could only have one.
C.
Those who like to give expensive jewels to their children.
D.
Those who give birth to their only children when they are below 30.
查看完整题目与答案
【单选题】下列四种多基因病中，患者同胞发病风险最高的是
A.
遗传率 76% ，人群发病率 0.4%
B.
遗传率 32% ，人群发病率 0.1%
C.
遗传率 32% ，人群发病率 0.4%
D.
遗传率 76% ，人群发病率 0.1%
查看完整题目与答案
【单选题】如果唇腭裂这种多基因遗传病的遗传率是76%，一般人群的发病率是0.17%，患者同胞的再发风险是
A.
7 6 %
B.
4.12%
C.
0.4%
D.
0. 17 %
查看完整题目与答案
【单选题】Decide which of the following best states the author’s purpose of writing. (Is an Only Child a Lonely Child?)
A.
To point out the disadvantages of having only one child.
B.
To display the advantages of having only one child.
C.
To raise a controversial problem with its probable causes and effects.
D.
To list some reasons for having an only child.
查看完整题目与答案
相关题目：
【单选题】听力原文： The key question for any only child is this: why were you an only child? It's a key question for at least two reasons. If your parents had wanted several children but could have only you, they a...
A.
Those who are themselves spoiled and self-centered.
B.
Those who expected to have several children but could only have one.
C.
Those who like to give expensive jewels to their children.
D.
Those who give birth to their only children when they are below 30.
查看完整题目与答案
【单选题】多基因遗传病患者的同胞发病风险是( )
A.
50%
B.
25%
C.
12.5%
D.
1%~10%
E.
0.1~1%
查看完整题目与答案
【多选题】多基因遗传病的特点是( )。
A.
有家族聚集倾向
B.
发病率有种族差异
C.
每种病的发病率均高于0.1%
D.
患者同胞的发病风险为1/2或1/4
查看完整题目与答案
【简答题】右图曲线表示各类遗传病在人体不同发育阶段的发病风险，请分析回答 图中多基因遗传病的显著特点是（）。21三体综合征属于（）遗传病，其男性患者的体细胞的染色体组成为（）
查看完整题目与答案
【单选题】糖尿病是一种多基因遗传病，一般人群中的发病率为0.2%，遗传率为75%，患者同胞弟弟的再发风险是
A.
1/2
B.
4.47%
C.
0.2%
D.
75 %
查看完整题目与答案
【单选题】听力原文： The key question for any only child is this: Why were you an only child? It's a key question for at least two reasons. If your parents had wanted several children, but could have you only, they ...
A.
Those who are themselves spoiled and self-centered.
B.
Those who expected to have several children but could only have one.
C.
Those who like to give expensive jewels to their children.
D.
Those who give birth to their only children when they are below 30.
查看完整题目与答案
【单选题】听力原文： The key question for any only child is this: why were you an only child? It's a key question for at least two reasons. If your parents had wanted several children but could have you only, they a...
A.
Those who are themselves spoiled and self-centered.
B.
Those who expected to have several children but could only have one.
C.
Those who like to give expensive jewels to their children.
D.
Those who give birth to their only children when they are below 30.
查看完整题目与答案
【单选题】下列四种多基因病中，患者同胞发病风险最高的是
A.
遗传率 76% ，人群发病率 0.4%
B.
遗传率 32% ，人群发病率 0.1%
C.
遗传率 32% ，人群发病率 0.4%
D.
遗传率 76% ，人群发病率 0.1%
查看完整题目与答案
【单选题】如果唇腭裂这种多基因遗传病的遗传率是76%，一般人群的发病率是0.17%，患者同胞的再发风险是
A.
7 6 %
B.
4.12%
C.
0.4%
D.
0. 17 %
查看完整题目与答案
【单选题】Decide which of the following best states the author’s purpose of writing. (Is an Only Child a Lonely Child?)
A.
To point out the disadvantages of having only one child.
B.
To display the advantages of having only one child.
C.
To raise a controversial problem with its probable causes and effects.
D.
To list some reasons for having an only child.
查看完整题目与答案