在比较梨和橘维生素C含量的探究活动中,分别滴加这两种汁液到等量的同一浓度的高锰酸

题型:填空题

问题:

在比较梨和橘维生素C含量的探究活动中,分别滴加这两种汁液到等量的同一浓度的高锰酸钾溶液中使其褪色,滴入的梨汁为20滴,滴入的橘汁为10滴.说明梨中维生素C的含量比橘中的要______.

考点:食物中的营养物质
题型:填空题

A blind boy sat on the steps of a building with a hat by his feet. He held up a sign which said, “I am blind, please help.” There were only a few coins in the hat.

A man was walking by. He took a few coins from his pocket and dropped them into the hat. He then took the sign, turned it around, and wrote some words. He put the sign back so that everyone who walked by would see the new words.

Soon the hat began to fill up. A lot more people were giving money to the blind boy. That afternoon the man who had changed the sign came to see how things were. The boy recognized(听出)his footsteps and asked, “Were you the one who changed my sign this morning? What did you write?”

The man said, “I only wrote the truth. I said what you said but in a different way.”

What he had written was, “Today is a beautiful day; I can not see it.”

Of course both signs told people the boy was blind. But the first sign simply sign the boy was blind. The second sign told people they were so lucky that they were not blind. Should we be surprised that the second sign was more effective (有效的)?

小题1:The boy in the passage can not           .

A.see

B.walk

C.hear

D.speak小题2: How did the man help the boy?

A.He gave the boy a lot of money.

B.He brought the boy back to his home.

C.He wrote some new words on the sign.

D.He sent the boy to a special school.小题3:The underlined words “held up” in the first paragraph mean          .

A.阻碍

B.举着

C.承受

D.坚持小题4:What happened after the man changed the sign?

A.The boy still got a few coins in the hat.

B.The boy got much more money.

C.No one gave the boy coins any more.

D.No one gave the boy coins any more.小题5: What can we learn from the story?

A.Time can we learn from the story?

B.You should be brave even thought you’re blind.

C.Treating a thing differently brings a different result.

D.If we want to be rich, we should be honest.(结果)

题型:填空题

在一次鉴宝活动中,某持宝人持有如图所示名画,经专家组鉴定,这是东晋著名画家顾恺之真迹的局部图,是顾恺之依三国时期魏国曹植的名赋而作。它是(  )

A.《步辇图》

B.《洛神赋图》

C.《天王送子图》

D.《清明上河图》

题型:填空题

土地价格是由其效用、相对稀缺性及有效需求三者相互作用、相互影响所形成的。( )

题型:填空题

甲建筑公司与乙房地产开发公司签订一份建设工程承包合同,合同规定由甲公司预先垫付20%的工程款,但没有约定利息的计算方法,若甲乙公司就工程款支付发生争议,甲公司起诉至人民法院,要求乙公司支付工程款并偿还垫付工程款的利息,人民法院应( )。

A.对该诉讼请求予以支持

B.对该诉讼请求不予支持

C.对工程款诉讼请求予以支持,对利息诉讼请求不予支持

D.对工程款诉讼请求不予支持,对利息诉讼请求予以支持

题型:填空题

微灌的灌水器有哪些形式?

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