试题与答案

钢加热产生组织转变时应转变为()再以不同冷却方式或速度转变成所需的组织。。

题型:填空题

题目:

钢加热产生组织转变时应转变为()再以不同冷却方式或速度转变成所需的组织。。

答案:

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参考答案:验动物:是指经人工饲养、繁育,对其携带的微生物及寄生虫实行控制、遗传背景明确或者来源清楚,应用于科学研究、教学、生产和检定以及其它科学实验的动物。 而实验用动物:是指用于科学实验的所有...

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题型:选择题

下图中S为南极点,MN为晨昏线的一段,N为晨昏线与某纬线的切点,这一天N点最大太阳高度为40°。据此完成下列问题。

小题1:此时下列叙述正确的是

A.MN为昏线

B.M点位于N点的正西方向

C.M比N早进入新的一天

D.太阳直射点向北移动小题2:N点的地理坐标可能是

A.66°34′S,120°E

B.70°S,30°W

C.75°S,75°E

D.80°S,150°W小题3:图示这一天

A.巴西草原一片枯黄

B.墨累—达令盆地混合农业区农民忙着配种

C.亚欧大陆等温线较同纬度海区北凸

D.洛杉矶可能出现温和多雨的天气

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题型:完形填空

阅读下面短文回答问题,将答案写到答题卡相应的位置上(注意题后的字数要求)

【1】People study their family history for different reasons. For some, genealogy(家谱学) is important to their religion(宗教信仰). Other people who get involved in genealogy may want to confirm (证实)stories they heard about a family member. Some people say their interest in genealogy came from an eight-part series on television called Roots. Roots was first broadcast in 1977 and was based on a book which describes how the author’s ancestor, long ago in Africa, as slave was brought to America. After watching Roots, many Americans wanted to study ________________.

【2】Finding family roots is not always easy. So how exactly does someone start a genealogical research?

【3】Experts say you should start with yourself. Write down your own history. One idea is to ask your parents what they can remember about their parents or grandparents. You can often find a lot of information in family pictures, letters and other documents.

【4】Resources on local history may also provide useful information. Large libraries may have hundreds of helpful books. In the United States, several groups have large collections of genealogical materials. These collections are open to the public.

【5】Governments often have many helpful records of genealogies. Governments usually keep official copies of birth, marriage and death records. Local governments may have copies of wills. These statements of final wishes often contain details about a person’s life and wealth.

【6】Today, many people use the Internet. There are thousands of websites related to genealogy. They can guide people to historical records and provide information about how to write down their family’s history.

小题1:What is the passage mainly about? ( no more than 10 words)

_____________________________________________________________________

小题2:How many ways are mentioned in how to start a genealogical research? ( no more than 2 words)[

_____________________________________________________________________

小题3:Fill in the blank in Paragraph 1 with proper words. ( no more than 6 words)

_____________________________________________________________________

小题4:Why should people ask governments for help in the study of genealogy? ( no more than 8 words)

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小题5:What does the underlined word “They” (Paragraph 6 ) probably refer to ? (no more than 5 words)

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