我国《食品添加剂使用卫生标准》规定:食品添加剂是在食品生产、加工过程中,根据需要

题型:问答题

问题:

我国《食品添加剂使用卫生标准》规定:食品添加剂是在食品生产、加工过程中,根据需要加入的对人体健康没有危害的物质.下列做法中,符合该标准的是(  )

A.将亚硝酸钠当作食盐食用

B.“三鹿”奶粉中加入三聚氰胺

C.在辣椒酱中加入化工颜料苏丹红

D.焙制面包时加入适量碳酸氢钠

考点:食品安全盐的性质
题型:问答题

  At the World Expo Shanghai 2010, you will be able to see the world in just one day.

The World Expo (short for “exposition”) is the third largest world event after the Olympics and the FIFA World Cup. Countries build pavilions(展示馆) at the Expo, showing off technologies and cultures with colorful exhibitions and performances.

People can experience the most advanced technologies at the World Expo. Throughout history, many new inventions have made their debuts(样品) at the World Expo, including the TV, telephone and even the ice cream cone.

But the Expo is not just a trade fair(商品交易会). It’s a platform(平台) for cultural exchange, bringing people closer to the rest of the world.

For example, at the Shanghai Expo, couples may be able to marry in French-style weddings at the France Pavilion. Thailand will let visitors walk into its emperor’s palace. Visitors to the Austria Pavilion will have the chance to experience the snow-capped mountains of the country.

Many countries have also decided to bring their national treasures to the event.

Since the 1993 Expo in Chicago, the World Expo began to focus on one theme. It changed from a show into a community event. Visitors are invited to help solve global issues, such as environmental problems.

The theme of the Shanghai Expo is “Better city, better life”. It will call on the world to solve the problems human beings face as a result of urbanization(城市化). In the future, more and more people may care about protecting the places they live in.

小题1:Countries build pavilions to show us ______ with colorful exhibitions and performances.

A.the Olympic games

B.the FIFA World Cup

C.technologies and cultures

D.many cities小题2:What’s the meaning of “cultural exchange” in this passage?

A.科技展示

B.文化交流

C.科技交流

D.自由买卖小题3: Which of the following is NOT true at the World Expo in this passage?

A.People can experience the most advanced technologies.

B.Couples may be able to marry in French-style weddings at the France Pavilion.

C.Visitors can walk into the emperor’s palace of Thailand.

D.Australia Pavilion will let the visitors experience the snow-capped mountains of the country.小题4:When did the World Expo begin to focus on one theme?

A.In 1990.

B.In 1993.

C.In 1998.

D.In 2010.小题5:What is the theme of the Shanghai Expo?

A.One world, one dream.

B.Better world, better life.

C.Better city, better life.

D.One world, one family.

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WG-21A型无绝缘轨道电路在机车入口端轨面,用0.15Ω标准分路电阻线分路时,短路电流应符合在载频为1700Hz时,不小于()。

A、500mA

B、505mA

C、550mA

D、600mA

题型:问答题

关于税法的效力与适用原则,下列表述错误的是( )。

A.效力低的税法与效力高的税法发生冲突,效力低的税法是无效的

B.对同一事项新、旧税法有不同规定的,新法的效力优于旧法

C.特别法的税法效力高于作为普通法的税法效力

D.适用“有利溯及”原则,主要是从强化税收征管角度考虑的

题型:问答题

肉芽组织的构成成分有()

A.成纤维细胞

B.炎细胞

C.郎罕巨细胞

D.肉芽肿

E.毛细血管

题型:问答题

下列不属于渗氮过程的是()

A.分解

B.吸收

C.扩散

D.溶解

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