[单项选择]X连锁显性遗传病,母亲为患者,父亲正常,子代中女儿患病风险为 () A. 1/16 B. 1/8 C. 1/4 D. 1/2 E. 1
参考答案:D 答案解析:X连锁显性遗传病,母亲为患者,父亲正常,子代中子女患病风险各为1/2。
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第1题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard. A. They have more buying power. B. They have enough time to exercise. C. They tend to enjoy sports more. D. They are very health conscious. 参考答案:D 答案解析:[听力原文] Why does the man want to target the 46-55 age group
第18题: [单项选择]罗马共和国时期的法律是()。 A. 《十二铜表法》 B. 《民法大全》 C. 《民法典》 D. 《汉谟拉比法典》 参考答案:A 答案解析:罗马共和国时期颁布《十二铜表法》,是罗马第一部成文法,故选A项。B项《民法大全》是东罗马帝国皇帝查士丁尼一世下令编纂的一部汇编式法典,又称《查士丁尼法典》或《国法大全》,是罗马帝国时期的法律。C项《民
第24题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. The freedom to have other sexual relations: B. The desire to follow every of one’s impulse. C. The will to keep his or her own income. D. The wish to be his or her true self. 参考答案:D 答案解析:[听力原文]
Which of the following cannot be sacrificed in a marriage
[详细解答]前三个选项都是婚姻中应该或可以牺牲掉的东西,而婚