切面或粉末在紫外线灯下均有亮黄色荧光的药材是（） A.白芍 B.赤芍 C.黄连 D.

《人民公安报》报道：公安部、工业和信息化部、文化部、国家工商行政管理总局、新闻出版总署等五部门日前联合发出通知，决定在全国范围内组织开展专项治理利用手机传播淫秽视频违法犯罪活动。依法加强对互联网上淫秽色情视频下载网站的监控力度。利用动漫作品、影视作品、手机短信、互联网上的信息……它们当中不乏宣扬暴力、扭曲人性甚至传播黄色淫秽的内容。很多中学生对此很新奇，不但爱看，而且去模仿。

（1）材料中描述的事物对中学生来说是一种什么样的诱惑？

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（2）中学生应如何对待这种诱惑？为什么？

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（3）国家加大力度打击传播淫秽活动对青少年有什么意义？

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阅读短文，判断正误，对的打T，错的打F。

      Look at this boy. He is an English boy. His first name is Peter. His last name is Barnes. This is his

school. His school ID card number is two-zero-zero-four-eight-five-six-seven. His teacher is Miss

White. Miss White is a good teacher. Li Lei is his good friend (朋友) at school. Look! What's that?

It's his backpack. It's black. But where's (在哪儿) his watch? I don't know. Let's call Mike at 495-6548.

( )1. The boy's name is Barnes Peter.

(     )2. His school ID card number is 20048567.

(     )3. His friend's name is Li Lei.

(     )4. Peter's telephone number is 495-6548.

(     )5. Peter has (有) a blue backpack.

在神经—骨骼肌接头处，消除乙酰胆碱的酶是

A．腺苷酸环化酶

B．ATP酶

C．胆碱酯酶

D．单胺氧化酶

E．Na⁺-K⁺-ATP酶

房间隔缺损杂音产生的原理是哪一种（）

A.血流通过缺损口

B.主动脉瓣相对狭窄

C.肺动脉瓣相对狭窄

D.三尖瓣相对狭窄

E.二尖瓣相对狭窄

较严重的新生儿窒息可发生下述哪些情况()

A．颅内出血

B．缺氧缺血性脑病

C．应激性溃疡

D．急性肾衰竭

E．胎粪吸入综合征