问题 问答题 简答题

试以能源为主,碳源为辅对微生物的营养方式进行分类。试比较它们的异同。

答案

参考答案:

依据微生物对能源和碳原的需求将微生物分成下列四种营养类型。

①光能无机营养型可利用光能,以CO2作为唯一或主要碳源,以无机物作为供氢体,还原CO2合成细胞有机物质。

②光能有机营养型可利用光能,以CO2和简单有机物作为基本碳源,以有机物作为供氢体,还原CO2合成细胞有机物质。③化能无机营养型以CO2作为唯一或主要碳源,以氧化无机物释放的化学能为能源,利用无机物作为电子供体还原CO2合成细胞有机物质。

④化能有机营养型以有机物为碳源,以氧化有机物产生的化学能为35

能源,利用有机物作为电子供体合成细胞有机物质。

阅读理解

These days, a new kind of restaurant is becoming popular. People who go there can not only enjoy their meals, also can enjoy playing computer games and have fun with their family and friends on line.uWink is the restaurant’s name.It is in Los Angeles,and it’s about fun and food.

In uWink,there are no waiters or waitresses around you. The screens have replaced(取代) them. You can order the food you want by touching the screen in front of you and runners will bring it to the tables.You can also play video games with the people at the next table.The screens can show music videos,movies and so on.But mainly they are used to show video games.

It’s an interactive(互动的) restaurant where you will controlyour meal and your fun.The service is fast and the runners know clearly where to go.There will be no waiting for a waiter,and no misunderstandings(误解) in the kitchen.Different kinds of food are served at any time of day.uWink is a place which hosts “room games”,where every table in the restaurant can have a video game competition at the same time.

The owner of the restaurant hopes that uWink can make it easy for people to be interactive,have fun and enjoy a delicious meal.

小题1:What can’t people do in the restaurant?

A.Enjoy their meals.

B.Play computer games.

C.Have fun with their family and friends.

D.Chat with the waiters and waitresses.小题2:People order their food by _________.

A.touching the screen in front of them

B.calling the restaurant

C.asking the waiters or waitresses

D.asking the runners小题3:Who will bring the food to the customers?

A.The waiters.

B.The waitresses.

C.The runners.

D.The customers themselves.小题4: uWink is becoming popular because _________.

A.it’s a restaurant where there are no waiters or waitresses

B.different kinds of food are served at any time of day

C.it’s an interactive restaurant for people to have fun and enjoy a delicious meal

D.it’s in Los Angeles小题5:What’s the passage mainly about?

A.A restaurant without waiters or waitresses.

B.A new kind of restaurant called uWink.

C.A new kind of kitchen.

D.How you order food in the restaurant.

判断题