不完全型葡萄胎的核型为（） A.46xx（均来自母方） B.46xy（正常核型） C

发布时间：2017-08-10 07:28 │ 来源：www.tikuol.com

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问题：

不完全型葡萄胎的核型为（）

A.46xx（均来自母方）

B.46xy（正常核型）

C.46yy（均来自父方）

D.69条染色体（额外的单倍体为母系来源）

E.69条染色体（额外的单倍体为父系来源）

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完形填空。

     An eleven - year - old boy in a small town wanted to become a train driver. But the boy was born
without     1    . His father taught him to    2   his feet as "hands". He couldn't go to school, so he     3    all
his time watching trains     4    and going because he lived near the station, how he wanted to    5    a train
driver!
     One day he saw an empty train and climbed in. It was not    6   for him to start it with his feet, soon the train was    7  at seventy kilometers an hour. The railway officals could not see the boy in the train and tried to  8   the train. The train reached a small station and then the boy didn't want to stop it. When he was near the town, a worker caught up with the train and stopped it. At first he was very    9     , but he laughed then the boy said," I like      10 ","Well, I'm glad you don't like planes!"

( )1.  A. feet
( )2.  A. lift
( )3.  A. spent
( )4.  A. coming
( )5.  A. see
( )6.  A. fast
( )7.  A. travelling
( )8.  A. pull
( )9.  A. happy
( )10. A. buses

B. arms
B. look
B. cost
B. running
B. find
B. clear
B. walking
B. push
B. glad
B. trains

C. legs
C. use
C. paid
C. walking
C. be
C. easy
C. jumping
C. stop
C. angry
C. planes

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下列关于腹股沟管解剖的叙述错误的是

A．后壁为腹横肌

B．下壁为腹股沟韧带

C．前壁为腹外斜肌腱膜

D．上壁为腹内斜肌与腹横肌的弓状下缘

E．内口为深环，外口为浅环

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不孕患者，检测排卵功能，对诊断关系不大的辅助检查方法为

A．B超检测卵巢排卵

B．月经周期后半期宫颈黏液检查

C．肾上腺功能检测

D．基础体温测定

E．月经周期前半期子宫内膜活检

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区（队）安全管理的内容主要包括（）

A.安全管理的基础工作

B.生产建设中的动态安全管理

C.安全信息化工作

D.日常事务管理工作

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题型：单项选择题

一般各种生产场地及变电站的行灯多采用（）伏的安全电压。

A.6

B.12

C.36

D.24

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