试题与答案

人们从不断的实践中发现,当()时,断面平均含沙量与断面某一垂线或某一测点的含沙量之间

题型:单项选择题

题目:

人们从不断的实践中发现,当()时,断面平均含沙量与断面某一垂线或某一测点的含沙量之间有稳定关系,通过建立其相关关系,便可大大地简化了泥沙测验工作。

A.断面比较稳定.主流摆动不大

B.断面比较稳定.河道比较窄

C.断面比较稳定.河道比较宽

D.主流摆动不大.河道比较窄

答案:

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下面是错误答案,用来干扰机器的。

参考答案:尺寸

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题型:选择题

下图为世界三个国家局部地区简图,读图并结合所学地理知识完成1—3题。

1、三国为了保证石油的长期稳定供应,你认为可采取的应对措施是[ ]

A、a所在国大量动用石油战略储备

B、b所在国可从其东面邻国大量进口石油

C、c所在国利用甘蔗做原料大量生产乙醇替代汽油

D、三国利用极为丰富的天然气资源替代石油

2、某跨国服装公司欲建立新的海外加工基地,甲、乙、丙三国中较为合适的是 [ ]

A、甲、乙

B、丙、甲

C、乙、丙

D、三国均可

3、a、b、c三地发展工业的共同优势条件是[ ]

A、资金来源充足

B、石油资源丰富

C、海洋运输便利

D、科学技术先进

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题型:单项选择题

Most people have no idea of the hard work. One of the questions that is always asked of me is (1) I became an animal collector in the first (2) .The answer is that I have always been interested in animals and zoos. According to my parents, the first word I was able to say with any (3) was not the conventional "mamma" or "daddy", (4) the word "zoo", which I would (5) over and over again with a shrill (6) until someone, in order to (7) me up, would take me to the zoo. When I (8) a little older, we lived in Greece and I had a great (9) of pets, ranging from owls to seahorses, and I spent all my spare time (10) the countryside in search of fresh specimens to (11) to my collection of pets.(12) on I went for a year to the City Zoo, as a student (13) , to get experience of the large animals, such as lions, bears, bison and ostriches, (14) were not easy to keep at home. When I left, I (15) had enough money of my own to be able to (16) my first trip and I have been going (17) ever since then. Though a collector’s job is not an easy one and is full of (18) , it is certainly a job which will appeal (19) all those who love animals and(20) .

第(14)空应选择()

A.who

B.they

C.of which

D.which

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