下列各项哪项不是防潮层的特点？（）A.完整严密 B.厚度均匀 C.无气孔无鼓泡 D.

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)

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

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

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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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全麻护理记录单常用于()

A．全麻后的病员

B．危重病员

C．大手术患者

D．瘫痪病员

E．监护病员

美国心理学家班杜拉提出，影响自我效能感形成的因素主要有两个，一个是________，另一个是________。

驱动箱旋转的系统属于（）系统。

A、液压

B、机械

C、耦合器

D、混合