对称轴平行于y轴的抛物线过A(2,8),B(0,-4),且在x轴上截得的线段长为

题型:解答题

问题:

对称轴平行于y轴的抛物线过A(2,8),B(0,-4),且在x轴上截得的线段长为3,求此函数的解析式。

考点:求二次函数的解析式及二次函数的应用
题型:解答题

早期诊断甲型肝炎最简便可靠的血清学标志是()。

A.血清中检出抗HAV—IgM

B.血清中检出抗HAV—IgG

C.ALT明显升高

D.血清中检出抗原—抗体复合物

E.分子杂交法检测到HAVRNA

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__________ the great photo of your family.          

A.Thanks
B.Thank for
C.Thanks for
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In order to be a success in the American business world, you must “get along” with people. You must learn to conduct yourself in such a way _1_ you earn the affection and respect of others._2_ we have already pointed out, Americans_3_ business and pleasure. Therefore, learning how to _4_ informally can be a help with your American business _5_.Americans like to talk about a _6_of different topics—sports, politics, cars, popular movies and television shows and personal interests. Many large American cities have sports teams. If you are _7_ with Americans in the United States, it would be a good idea to _8_out about the local sports teams so that you can _9_ in the almost inevitable discussions about “how our _10_ will do this year” .Politics can be a _11_ topic unless everyone is of the same mind _12_.Limit your discussions to asking questions of your friends. Most Americans are _13_ owners and some are even obsessive about the subject. You can contribute _14_talking about cars you have owned or by _15_ information you have read in automotive magazines. Americans watch television almost every night and attend movies regularly,

_16_ naturally television shows and the _17_ movies become topics for discussions. If you are unable to _18_ American television or attend American movies, reading the _19_ section of such magazines as Time News week will keep you up to date on _20_is popular in America.

1. A. which         B. where        C. as           D .that

2. A. While         B. Since        C. As           D. Because

3. A. mix           B. enjoy        C. like          D. manage

4. A. conduct        B. appear       C. behave       D. chat

5. A. friends            B. efforts      C. contacts      D. companies

6. A. bit               B. total        C. group        D. number

7. A. meeting           B. working     C. living        D. playing

8. A. find              B. learn        C. go           D. stay

9. A. work            B. participate    C. succeed      D. break

10. A. group           B. business      C. company     D. team

11. A. common         B. sensitive     C. special.       D daily

12. A. politically        B. economically  C. professionally D. personally

13. A. house           B. car          C. business      D. land

14. A. to              B. toward       C. by           D. through

15. A. collecting        B. sharing       C. gathering     D. analyzing

16. A. so              B. therefore     C. thus          D. hence

17. A. interesting       B. exciting      C. excellent      D. latest

18. A. witness          B. look         C. watch        D. glance

19. A. entertainment     B. sports        C. business      D. movie

20. A. which           B. that          C. what         D. as

题型:解答题

脾虚湿盛之食少泄泻,水肿腹胀,脚气浮肿,首选的药物是()

A.猪苓

B.木通

C.石韦

D.薏苡仁

E.车前子

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在以死亡为给付保险金条件的人身保险中,被保险人死亡后,如受益人已先于被保险人死亡,又没有其他受益人的,保险人应向谁履行给付保险金的义务( )

A.投保人指定的人

B.被保险人的继承人

C.投保人自己

D.受益人的继承人

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