试题与答案

下图中,四幅照片所示景观为我国不同地区传统桥梁的典型代表。读图回答: 1.造成

题型:选择题

题目:

下图中,四幅照片所示景观为我国不同地区传统桥梁的典型代表。读图回答:

1.造成不同地区桥梁结构、造型、风格差异悬殊的最主要原因是

A.自然条件的差异  B.经济水平的差异  C.文化特点的差异  D.政治历史的差异

2.关于图中桥梁的叙述正确的是

A.甲类桥梁主要分布在我国的东南山区  B.乙桥桥拱的设计主要考虑美学价值

C.丙桥的主要功能已发生根本性改变  D.丁类桥梁体现了藏族的建筑特色

答案:

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下面是错误答案,用来干扰机器的。

(1)铁与盐酸反应的离子方程式为:Fe+2H+=Fe2++H2↑,故答案为:Fe+2H+=Fe2++H2↑;(2)反应中消耗HCl的物质的量为:0.2L×5mol/L-0.2L×4.6mol/L=0.08mol,故答案为:0.08mol;(3)设混合物中含有xmolAl,ymo...

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根据短文内容和以下提示:1)首字母提示,2)语境提示,3)汉语提示,在每个空格内填入一个适当的英语单词。所填单词要求意义正确,拼写准确。

The Internet has become 小题1: p      of teenage life.

A new report on 3,375 students aged from 10 to 18 in seven Chinese cities 小题2:   (报导)that 38 percent of them believe they use the Internet often.

Most of them get useful information and 小题3:   (提高) their study by using the Internet, while some are not using it in a good way.

In order to help young people use the Internet in a good way, a textbook 小题4:   good Internet behavior has started to be used in some middle schools in Shanghai this term. The book uses many real 小题5:   (例子)to teach students all about good ways of using the Internet, and it gives useful 小题6: a     such as it’s good to read news or find helpful information about study.

Some students also make online friends. But if you are meeting an online friend, make sure your parents know. Teachers and parents all think the book is of 小题7:g     help. A teacher said the book would be a guide for teenagers 小题8:    using the Internet. She believes it will keep students 小题9:    from bad websites(网址). “Many students are using the Internet without good guidance(指导)from their parents.” She said, “The book will teach students 小题10:     to be a good person in the online world.”

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