对于长期不通风，且肯存在有机物的受限空间，必须检测（）、（）、（）、（）等气体浓度，

阅读理解

          Dinner customs (习惯) are different around the world. If you are a guest in Ghana(加纳), this

information will help you a lot.

          In Ghana, dinner is usually from four in the afternoon to six in the evening. But there are no

strict rules (规则) about time. Whenever a guest arrives. a family offers food. When you go to a

home, the person who receives guests takes you to the living room first. At this time everyone

welcomes you. Then you go to the dinning room. There you wash your hands in a bowl of water.

All the food is on the table.

         In Ghana you usually eat with your fingers. You eat from the same dish as everyone else.

But you eat from one side of the dish only. It is not polite to get food from the other side of the

dish. After dinner, you wash your hands again in a bowl of water.

         Most meals in Ghana have a dish called fufu. People in Ghana make fufu from the powder

(粉末) of some plants. Sometimes they cut the fufu with a saw(锯子) because it is very hard.

You must chew (咀嚼) fufu well, or you may get sick. You eat fufu with the fingers of your right

hand only.

1. From the passage we know that in Ghana _______ .

A. the rules for dinner time are not strict

B. dinner is always at six in the evening

C. a family offers food only at four in the afternoon

D. people usually invite their guests to dinner late in the evening

2. If you are a dinner guest in Ghana, the host (主人) always takes you to _________ .

A. the dining room first

B. the living room first

C. the kitchen first

D. the garden first

3. People in Ghana usually eat _______ .

A. from one side of a dish to the other

B. from the other side of the dish

C. with their fingers

D. with their spoons

4. In fact, most dishes in Ghana _______ .

A. are cooked with the powder of some plants

B. have fufu in them

C. are too hard to eat

D. are not very hard

5. When you eat fufu, you'd better ________ .

A. cut it with a saw

B. use your right hand only

C. chew it well

D. all of the above

《珍惜学习机会》是人教版《思想品德》八年级下册第三单元我们的《文化、经济权利》第六课《终身受益的权利》的第二目。内容如下：（1）维护受教育权利受教育是法律赋予我们的基本权利，是我们成长和发展的基础。但是，在现实生活中，由于各种原因，侵犯我们受教育权的行为时有发生。当我们的受教育权被他人剥夺或受到侵犯时，我们可以采用非诉讼方式或诉讼方式予以维护。（2）履行受教育的义务在我们这个不发达的大国办教育、普及义务教育很不容易，父母辛勤劳动供子女读书也不容易。为了自己的发展，更为了国家的富强、社会的进步，我们青少年一定要珍惜受教育的机会，履行受教育的义务。作为正在接受九年义务教育的学生，履行受教育的义务，最主要的有三项：其一：认真履行按时入学的义务；其二，认真履行接受规定年限的义务教育的义务，不得中途辍学；其三，认真履行遵守法律和学校纪律，尊敬师长，努力完成规定的学习任务的义务。

基于上述内容，请你设计本课的教学简案。

成功地完成某项活动所需的心理特征（）

A.动机

B.需要

C.气质

D.性格

E.能力

关于BSD盲点监测功能说明正确的是（）

A.激活条件：车速≥15km/h

B.提供出库辅助功能

C.时速大于50km/h激活

D.打开前大灯方能激活

独立董事是指本身属于公司管理层，但与其所受聘的公司不存在妨碍其进行独立客观判断的关系的董事。( )