下列说法不正确的是（） A.单基因遗传病就是受一个基因控制的遗传病 B.适龄生育对于

发布时间：2019-01-20 21:16 │ 来源：www.tikuol.com

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问题：

下列说法不正确的是（）

A.单基因遗传病就是受一个基因控制的遗传病

B.适龄生育对于预防遗传病和防止先天性疾病患儿的出生具有重要意义

C.禁止近亲结婚是预防隐性遗传性疾病发生的最简单的有效方法

D.21三体综合征和猫叫综合征患者都属于染色体数目异常遗传病

考点：高中生物人类遗传病人类遗传病题库

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完形填空。
Mr. Brown works in a middle school. He __1__ English. He is __2__ to his students and they also like him. He spends __3__ time on his work. He often does some reading and __4__ .When he's __5__, he is also very busy, so he can't help his wife to do any housework. The woman is always angry with him. It's Saturday. Their daughter Kate is __6__ her homework in her bedroom. Mrs. Brown finds her __7__ is out. She hopes her daughter will say she's better than her husband. She gives an apple __8__ Kate and asks ,"Who is __9__, your father or I?" Can you guess __10__ the girl's answer is? "I'm the cleverest in my family," Kate says without thinking．
( ) 1. A. studies ( ) 2. A. terrible ( ) 3. A. many ( ) 4. A. writing ( ) 5. A. in class ( ) 6. A. to do ( ) 7. A. teacher ( ) 8. A. for ( ) 9. A. clever ( ) 10. A. what	B. learns B. friendly B. much B. writes B. at school B. do B. brother B. to B. cleverer B. how	C. teaches C. well C. a little C. write C. at the bank C. doing C. daughter C. at C. cleverest C. that	D. speaks D. strict D. a lot D. wrote D. at home D. did D. husband D. in D. the cleverest D. which

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根据《公司法》的规定，有限责任公司董事会的职责包括( )。

A．对公司增加或者减少注册资本作出决议

B．决定公司内部管理机构的设置

C．执行股东会决议

D．制定公司的基本管理制度

E．组织变更、解散、清算、修改公司章程

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计算机操作系统通常具有的5大功能是( )。

A．CPU的管理、显示器管理、键盘管理、打印机管理和鼠标器管理

B．硬盘管理、软盘驱动器管理、CPU的管理、显示器管理和键盘管理

C．CPU的管理、存储管理、文件管理、设备管理和作业管理

D．启动、打印、显示、文件存取和关机

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下列句子句式和其他三项不同的是[ ]

A、而君幸于赵王

B、激于义而死焉者也

C、求人可使报秦者，不得

D、吾长见笑于大方之家

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职业知识主要是指：个体从事职业范围内的学科、专业知识及其他有助于职业适应与职业发展的辅助类知识。

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