唐开元年间，某县令收受在押人亲属绢二十匹，为该在押人开脱罪责。依照唐律规定，该县令的

阅读理解。

     Many children think mobile phone are cool. They come in fun colors and let you talk with a friend anytime

and anywhere.

     In America, over 90 million people use mobile phones. Many of those people are children. For them, mobile

phones are more than phone calls. They are fashionable.

     Most mobile phone users don't think about the health problem caused by mobile phones. Some scientists

say that mobile phones give off radiation (辐射) that might be bad for users. One recent study shows that

mobile phone radiation might raise a person's chance of getting some kind of cancer. Others say mobile phones

don't threaten people's health. They say that they have not found any link (联系) between mobile phone use

and cancer.

     Scientists say that people can protect themselves from mobile phone radiation. One way is to use a headset(耳机). Or people can make shorter calls.

1. Many children like mobile phones because they think mobile phones are _____.

A. cool

B. small

C. cheap

2. Many of the mobile phone users in America are _____.

A. girls

B. boys

C. children

3. Which of the following sentences is Ture?

A. All scientists think mobile phones are bad for users.

B. Some scientists think mobile phones are bad for users. 

C. Mobile phones are only bad for the children.

4. The underline words "give off" in the passage means _____.

A. 放弃

B. 拒绝

C. 发出

5. To protect themselves from mobile phone radiation, people can _____.

A. use a headset

B. make shorter calls

C. both A and B

下列尤文肉瘤的X线表现中，哪项不符合（）

A.骨干中心型病灶位于骨干中段髓腔内，呈弥漫性骨质疏松及斑点状、虫蚀样破坏

B.骨干周围型其皮质外缘常呈蝶形破坏，肿瘤多呈卵圆形或分叶状向外扩展

C.干骺中心型位于干骺端中央，骨质破坏与骨质硬化同时出现

D.发生于骨外者表现为大小不等的软组织肿块，边界不清

E.干骺周围型位于干骺端边缘，多呈膨胀性骨破坏

填空。

　　《桃花源记》以________________为线索，虚构了一个________________社会环境，表现了作者________________思想。后来人们用成语________________来比喻理想生活中的安乐而环境幽静的饿世界。

用标准差和均数可全面描述______资料的分布特征

A．左偏态分布
B．正态分布
C．对称分布
D．任何计量资料分布
E．右偏态分布

胸骨左缘第二肋间触及连续性震颤，常见病变为（）

A．动脉导管未闭

B．肺动脉瓣狭窄

C．房间隔缺损

D．室间隔缺损

E．主动脉瓣狭窄