为了应对水路运输的特殊环境,通用采用以下哪些防锈包装方法保护货物() A.涂层法 B

题型:多项选择题

问题:

为了应对水路运输的特殊环境,通用采用以下哪些防锈包装方法保护货物()

A.涂层法

B.干燥剂法

C.气相防锈法

D.清洁法

E.隔离法

考点:商品学商品运输与包装商品运输与包装题库
题型:多项选择题

In most parts of the world, many students help their schools make less pollution(污染). They join "environment(环境)club". In an environment club, people work together to make our environment clean.

Here are some things students often do.

No-garbage(垃圾)lunches. How much do you throw away after lunch? Environment clubs ask students to bring their lunches in bags that can be used again. Every week they will choose the classes that make the least garbage and report them to the whole school.

No-car day. On a no- car day, nobody comes to school in a car- not the students and not the teachers. cars give pollution to our air, so remember: walk,

Turn off the water! Did you know that toilets(抽水马桶)can waste twenty to forty tons(吨)of water an hour? In a year, that would fill a small river! In the environment clubs, students mend those broken toilets.

We love our environment. Let's work together to make it clean.

小题1:Environment clubs ask students

A.to run to school every day.

B.to take exercise every day.

C.not to forget to take cars

D.not to throw away lunch bags小题2:From the passage we know the students usually have lunch_______.

A.at school

B.in shops

C.in clubs

D.at home小题3:On a no -car day,_______ will take a car to school.

A.both students and teachers

B.only students

C.only teachers

D.neither students nor teachers小题4:The writer wrote the passage to ask students to_______

A.clean school

B.make less pollution

C.join clubs

D.help teachers

题型:多项选择题

第二次世界大战时期,有一只信鸽为了把情报送到总部,在双脚被炸弹炸飞的情况下,忍痛飞了回去,但在它完成任务后不久就死去了,人们把它的身体做成了模型以纪念它。其实,信鸽很早就有“军中不会说话的特殊兵种”的美称。

鸟的外形        翼和羽毛       鸟的胸肌       骨骼        气囊

请根据以上材料,归纳信鸽有哪些形态结构和生理功能适于飞翔生活。

(1)家鸽的体形为________型,这种体形可以减少飞行时的________,它的身体可分为头、劲、躯干、尾和四肢五部分。前肢变成________,全身除喙和足以外,其它部分都被覆着_________。

(2)家鸽用________呼吸,并有薄壁的________辅助呼吸。

(3)请写出家鸽与飞翔生活方式相适应的特征:______________、______________。(两点即可)

题型:多项选择题

复杂多样的地理环境决定了我国传统民居各具特色的建筑风格。反映南方传统民居、北方传统、陕北窑洞、傣家竹楼民居建筑样式的正确顺序是

[ ]

A.①②③④

B.②①④③

C.①②④③

D.②①③④

题型:多项选择题

车辆上的截断塞门是安装在()的。

A.制动主管上

B.制动支管上

C.副风缸通风管上

D.降压风缸通风管上

题型:多项选择题

不完全齿轮机构常应用在计数藉和某些进给机构中。

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