《中华人民共和国安全生产法》（以下简称《安全生产法》）第六十八条规定，（）级以上地方

The Internet has become not only a necessary but also a virtual(虚拟的) world for people. With the development of the Internet, internet friendship has also become very popular. Online friends are those people who have known each other through the Internet. Making internet friends is the same as making pen friends. Many famous websites offer quite warm internet friendship. One can find many people on these websites and they share the same interests. It is difficult to make friends with someone you can’t see or feel. That is the main problem of internet friendship. A virtual friendship would not last forever without seeing each other, but it is an advantage for some people because they are afraid to speak in pubic.

On the other hand, the chances of cheating(欺骗) are very high in an internet friendship. Some people make friends on the Internet with wrong intentions(企图).So while making friends over the Internet, one has to be very careful. Here are some suggestions for you.

·Don’t give personal information, such as your telephone number, address, location, school name as well as your parents’ information, to strangers on the Internet.

·Do not exchange personal photos of you or any family member with people you meet over the Internet.

·Do not go to meet a person you have just met over the Internet. You’d better ask older or other experienced people for advice if you want to go to meet an internet friend.

·Do not accept someone’s request(要求) if you feel he or she is dishonest.

根据上面短文的内容回答问题。

小题1:Is the Internet necessary and virtual for people?

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小题2:What is the main problem of internet friendship?

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小题3:Why is the virtual friendship an advantage for some people?

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小题4:Who can you ask for advice if you go to meet an internet friend?

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小题5:What does the article give suggestions about?

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依据《水污染防治法》，新建、扩建、改建直接或者间接向水体排放污染物的建设项目和其他水上设施，必须遵守国家有关( )的规定。

A．建设项目专项审批

B．建设项目招投标管理

C．建设项目投融资管理

D．建设项目环境保护管理

(6分) 某同学进行如下实验，探究化学反应中的能量变化。

通过实验测出，反应前后①烧杯中的温度升高，②烧杯中的温度降低。由此判断NaOH溶液跟盐酸的反应是          （填 “吸热”或“放热”）反应，Ba(OH)₂· 8H₂O跟NH₄Cl的反应是            （填“吸热”或“放热”）反应。反应①中反应物的总能量             填（“大于”、“小于”或“等于”）生成物的总能量。反应②中断开反应物中的化学键所吸收的能量             填（“大于”、“小于”或“等于”）形成生成物中的化学键所放出的能量。

疑有绒癌脑转移，可根据下列指标诊断除外（）.

A.脑CT

B.脑缺血的一过性症状：突然跌倒、头痛、抽搐、偏瘫

C.脑脊液：血清hCG>1：20

D.脑部MRI

E.B超

GT800组呼区GCA，含义是：（），它的最小划分单位为（）。