关于用水制取二级能源氢气,以下研究方向不正确的是( ) A.构成水的氢和氧都是可

题型:选择题

问题:

关于用水制取二级能源氢气,以下研究方向不正确的是(  )

A.构成水的氢和氧都是可以燃烧的物质,因此可以研究在水不分解的情况下,使所含的氢成为二级能源

B.设法使太阳光聚焦,产生高温使水分解产生氢气

C.寻找高效催化剂,使水分解产生氢气

D.寻找特殊的化学物质,用于开发廉价能源,以分解水制取氢气

考点:燃料的利用和新能源的开发
题型:选择题

My friend has a big police dog named Kim. Police dogs are often very smart. Every Sunday afternoon my friend takes Kim for a long walk in the park. Kim likes walking very much.

One Sunday afternoon a man visited my friend.

He talked to my friend a long time. They talked and talked. Soon it was time for my friend to take Kim for his walk, but the man still stayed. Kim became very worried about his walk in the park. He walked around the living-room sometimes and at last sat down in front of the man and looked at him. But the man went on talking.

After thirty minutes, Kim couldn’t stand(忍受) it. He went out of the room and came back a few minutes later. He sat down in front of the man again but this time he held the man’s hat in his mouth.

小题1:The story is about __________.

A.dogs

B.cats

C.people

D.a police dog小题2:What is the dog like?

A.Smart

B.Dangerous

C.Big

D.Easygoing.小题3:Where do they go for a walk?

A.In the park

B.Outside the house

C.Behind the park

D.In the living-room小题4:When do they go for a walk?

A.On Mondays

B.On Saturdays

C.On weekends

D.Every Sunday afternoon小题5:Which of the following sentences is true(正确)?

A.The man knew Kim wanted to go out for a walk.

B.Kim doesn’t like walking with my friend.

C.The man thought Kim was dangerous.

D.Kim sat down in front of the man because he asked him to leave.

题型:选择题

只要能得到快乐的生活,就是高雅的生活方式。 [     ]

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都江区规划局批准湖西居委会在月亮园居民楼附近搭建停车库两间。该居民楼24户居民以都江区规划局批准湖西居委会搭建的停车库影响通风、采光和通行为由,向人民法院提起行政诉讼,请求人民法院撤销都江区规划局的批准决定。法院经审查,认定此停车库不影响该居民楼居民的通风、采光和通行,且适用法律正确,程序合法。根据我国法律和有关规定,______。

A.法院可通知居委会作为本案第三人参加诉讼
B.法院应通知原告追加居委会为共同被告,原告不同意追加的,法院裁定驳回起诉
C.原告应推选2~5名诉讼代表人参加诉讼
D.法院应判决驳回原告的诉讼请求

题型:选择题

麻疹患儿,体温40.5℃,皮疹已出,无并发症,此时应采取的退热措施正确的是()

A.冰袋冷敷

B.乙醇擦浴

C.冷水浴

D.小量使用退热药,使体温稍降

E.迅速降低室温

题型:选择题

生态学家高斯为研究三种草履虫的种间关系完成如下实验,请回答:

图b为双小核草履虫和尾草履虫混合培养后的结果,由于前者的繁殖能力比后者强而占有更多的资源,两者之间存在明显的()关系。

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