可行性分析的最后成果是（）。A.项目开发的初步方案 B.可行性分析报告 C.确定新项

有人评价曹操是“治世之能臣，乱世之 * * 雄。”你同意这一观点吗？为什么？请说说曹操为什么能够取得官渡之战胜利的原因。

________________________________________________________________________________________________________________________________________________________________

下列有关说法中，正确的是[ ]

A．变质的油脂有难闻的特殊气味，是因为油脂发生了水解反应

B．稀双氧水可用于清洗伤口，以达到杀菌、消毒的目的

C．洗衣粉、橡胶、阿司匹林都只能由人工合成得到

D．糖类、蛋白质在一定条件下都能发生水解反应

阅读下面的短文，然后将划线部分句子译成汉语或英语。

To many students, joining social media (社交媒体) “circles” is now more important than making new friends in real life. And it’s easy. If you have a cell phone, you can download apps. Sina Weibo, WeChat and QQ are the most popular among them.

“I love to check my friends’ updates (更新).小题1: I also enjoy news and jokes shared on social media,” said Ou Wei, 14, from Hongling Middle School in Shenzhen. While enjoying these, Ou makes himself stay from real life. “I love playing the games on WeChat, but have no interest in playing flying chess with my classmates,” said Ou Wei.

小题2: Zhang Le（张乐）, 14, from No. 12 Middle School in Shanghai, said that social media has affected their normal life a lot. Recently his school held a basketball match, and a student hurt his leg.小题3:大多数学生忙着发送关于这个事故的照片而不是帮助他。“I think they need to learn to balance their real and online lives,” said Zhang.

小题4:What worries parents and teachers is safety.“Many students are happy to tell their interests and personal information to their social media ‘friends’. 小题5: 据报道这种信息可能会给他们带来危险,” said Han Songjun, a teacher at Hongling Middle School.For example, WeChat’s shake-shake function (功能) allows users to connect to other users close by. But police authorities warn about the risks of socializing in this way. “Be careful. Do not use the locating (定位) function in any app, do not give your name, and do not post the photos of your residential area (小区),” said Han.

阅读理解。

     Paris is the capital city of the European nation of France. It is also one of the most beautiful and most

famous cities in the world.

     Paris is called the City of Light. It is also an international fashion centre. What women are wearing in

Paris will be worn by women all over the world. Paris is also a famous world centre of education. For

example, it is where the headquarters of UNESCO, the United Nations Educational, Scientific and Cultural

Organization.

     The Seine River divides the city into two parts. Thirty-two bridges cross this beautiful river. The oldest

and perhaps the most well-known is the Point Neuf, which was built in the sixteenth century. The Sorbonne,

a famous university, stands on the left bank (south side) of the river. The beautiful white church Sacre Coeur

lies on the top of the hill called Montmartre on the right bank (north side) of the Seine.

     There are many other famous places in Paris, such as the famous museum, the Louvre, as well as the

Notre Dame. However, the most famous building in this city is Eiffel Tower.

     Paris as well as the Cathedral of Notre Dame is named after a group of people called the Parisaii. They

built a small village on an island in the middle of the Seine River about two thousand years ago. This island,

called the He de la Cite, is where Notre Dame lies. Today around eight million people live in the Paris area.

1. Why is Paris regarded as a fashion centre in the world?

A. Because the clothes there are the most expensive in the world.

B. Because there is the largest collection of the clothes in Paris.

C. Because Paris has the most beautiful clothes in the world.

D. Because Paris plays a leading role in the fashion world.

2. The Point Neuf was built in _____.

A. the 1500s

B. the 1600s

C. the 1700s

D. the 1800s

3. From the passage we know Paris is named after _____.

A. a group of people

B. a famous river

C. a famous museum

D. a famous writer

4. We can conclude that Notre Dame is _____.

A. on the left bank of the Seine River

B. on the right bank of the Seine River

C. on neither bank of the Seine River

D. in Louvre

5. Paris is famous for the following EXCEPT _____.

A. fashion

B. some bridges

C. the Sorbonne

D. the Eiffel Tower

弹簧安全阀定压之后要试验其准确性，即稍微拉一下拉柄，如立即有大量介质冒出来时，即认定定压合格。( )