性器官和第二性征迅速发育一般出现在（） A.青春期早期 B.青春期前期 C.

Oracle数据库系统自它的哪个版本起采用多进程多线索的体系结构______。

A．Oracle 5版

B．Oracle 6版

C．Oracle 7版

D．Oracle 8版

完形填空 (共10小题; 每小题2分, 满分20分)

阅读下面短文，掌握其大意，然后从21-30各题所给的A、B、C和D项中，选出最佳选项, 并在答题卷上将该项涂黑。 

Children find meanings in their old family tales.   

When Stephen Guyer’s three children were growing up, he told them stories about how his grandfather, a banker,    21   all in the 1930s, but did not lose sight of what he valued most. In one of the darkest times when his strong-minded grandfather was nearly   22    , he loaded his family into the car and   23    them to see family members in Canada with a   24   ,“There are more important things in life than money. ”  

The  25   took on a new meaning recently when Mr. Guyer downsized to a   26    house from a more expensive and comfortable one. He was   27   that his children, a daughter, 15, and twins, 22, would be upset. To his surprise, they weren’t. Instead, their reaction echoed（共鸣）their great-grandfather’s. What they   28    was how warm the people were in the house.K   Many parents are finding family stories have surprising power to help children through hard times. Storytelling experts say the phenomenon reflects a growing  29     in telling tales, evidenced by a rise in a storytelling events and festivals.  

A university   30    of 65 families with children aged from 14 to 16 found kids’ ability to retell parents’ stories was linked to a lower rate of anger and anxiety.  

21. A. missed       B. lost           C. forgot        D. ignored

22. A. friendless           B. worthless          C. penniless  D. homeless

23. A. fetched      B. allowed   C. expected  D. took

24. A. hope           B. promise   C. suggestion        D. belief

25. A. tale            B. agreement      C. arrangement            D. report

26. A. large           B. small        C. new          D. grand

27. A. surprised    B. annoyed   C. disappointed    D. worried

28. A. talked about      B. cared about      C. wrote about     D. heard about

29. A. argument   B. skill           C. interest    D. anxiety

30. A. study          B. design      C. committee     D. staff

施工记录中的混凝土开盘鉴定项目“混凝土拌合物性能”其内涵是（）。

A.坍落度、保水性

B.坍落度、粘聚性

C.保水性、粘聚性

D.坍落度、保水性、粘聚性

装拆接地线的顺序？

通过对若干国家经济史的统计分析发现，随着人均收入水平的提高，居民分配呈现平均化趋势。这说明：

A．经济发展是改善收入分配的基本途径

B．经济增长会自发实现公平与效率的结合

C．市场经济使收入分配日益平均化

D．经济增长会自动导致收入分配的改善