根据《中国移动集团客户及宽带接入（客户侧）工程施工工艺标准》，墙壁卡固方式敷设光缆时

如图所示，在光具座上做“研究凸透镜成像”的实验．保持蜡烛和透镜位置不变，点燃蜡烛并调节光屏位置，直到光屏上出现清晰的烛焰像，则在光屏上观察到的像是（焦距为10cm）（　　）

A．

B．

C．

D．

“三个代表”重要思想学习纲要》中指出：发展社会主义民主政治，建设社会主义政治文明，是社会主义现代化建设的重要目标。必须在坚持四项基本原则的前提下，继续积极稳妥地推进政治体制改革，扩大社会主义民主，健全社会主义法制，建设社会主义法治国家，巩固和发展民主团结、生动活泼、安定和谐的政治局面。

发展社会主义民主政治，（）。

A．就是要健全民主制度，丰富民主形式

B．扩大公民广泛的政治参与

C．保证人民依法实行民主选举、民主决策、民主管理和民主监督

D．享有广泛的权力和自由

Earthquakes often happen near volcanoes, but this is not always true. The centers of some are (1) . The bottom of the sea suddenly (2) . The powerful forces inside the (3) break the rocks. The coast is shaken and great waves appear. These waves travel (4) and rush over the land when they reach it. They are p enough to (5) houses and other buildings; sometimes they break (6) than the earthquake itself.
Very often fires followed the (7) earthquakes. In 1906, the great earthquake at San Francisco broke the gas-pipes. The gas (8) , and soon large numbers of fires were burning in the city. The water-pipes were also (9) ; so it was not possible to put the fires out. There was (10) . The Tokyo earthquake of (11) happened just before the middle of the day. People were (12) on their fires at that time. When the ground shook, the fires shook too. (13) were thrown on the different parts of the houses, some of which were (14) . Soon 134 fires were burning in the city. What kind of building (15) in an earthquake A building with concrete walls is perhaps the best. A (16) will make it even per. The frame holds the (17) together, and the walls do not easily fall. There is (18) of fire because concrete and steel do not burn. The Americans (19) the results of the earthquake in San Francisco, and they are convinced that this kind of building is the (20) .

足三阴经在内踝8寸以下的分布规律是（）

A.太阴在前，厥阴在中，少阴在后

B.太阴在前，少阴在中，厥阴在后

C.厥阴在前，太阴在中，少阴在后

D.厥阴在前，少阴在中，太阴在后

E.少阴在前，太阴在中，厥阴在后

经济是税收的基础，编制税收计划时，只有树立从经济到税收的观点，才能使计划切合实际。