动态网页的特征是（） A.以数据库技术为基础 B.独立存在于服务器上的网页 C.能够

屋面构造应符合下列要求（）

A、屋面面层应采用不燃烧体材料，包括屋面突出部分及屋顶加层；

B、屋面排水宜优先采用外排水；

C、屋面落水管的数量、管径应符合屋面排水要求；

D、户外屋面设计应考虑强风、暴雨等自然灾害性因素，采取固定加强措施

我国的经济与社会发展规划具有( )、宏观性、战略性和政策性的特点。

A．指导性

B．指令性

C．惟一性

D．特殊性

甲住在村主干道的西面，在其住宅与村主干道间有一片宽约30米的菜地。几十年来，甲一家人都是穿过该菜地上的一条小路到达主干道的。后该菜地被本村村民乙承包，甲及其家人仍继续在该小路上通行。1999年，甲家里购买了汽车，为了使汽车能直接从村主干道开到家里，甲找到乙协商，由甲将原来的人行小道拓宽为车行道，占用乙的一部分菜地，并由甲一次性补偿乙3000元钱，乙表示同意。路拓宽后，甲家里人进出十分方便，乙也没有意见，双方相安无事。不料2年后，乙一家人获得了城市户口，该菜地由村委会收回并另行承包给了丙。丙是村里的种菜能手，他将路挖掉，在整块菜地上盖起了蔬菜大棚。甲和丙由此发生矛盾。关于本案，哪一项说法是错误的

A．甲仍享有对其门前菜地的地役权

B．丙挖掉道路的行为侵犯了甲的通行权

C．甲要求丙拆掉大棚，恢复车行道的诉请不应得到支持

D．如果甲被迫另开通道，丙应对其进行适当的补偿

Our ape-men forefathers had no obvious natural weapons in the struggle for (1) in the open. They had neither the powerful teeth nor the p claws of the big cats. They could not (2) with the bear, whose strength, speed and claws (3) an impressive " small fire" weaponry. They could not even defend themselves (4) running swiftly like the horses, zebras or small animals. If the ape-men had attempted to compete on those terms in the open, they would have been (5) to failure and extinction. But they were (6) with enormous concealed advantages of a kind not possessed by any of their competitors.

In the search (7) the pickings of the forest, the ape-men had (8) efficient stereoscopic vision and a sense of color that the animals of the grasslands did not (9) . The ability to see clearly at close range permitted the ape-men to study practical problems in a way that lay far (10) the reach of the original inhabitants of the grassland. Good long-distance sight was (11) another matter. Lack of long-distance vision had not been a problem for forest-dwelling apes and monkeys because the (12) the viewpoint, the greater the range of sight-so (13) they had had to do was climb a tree. Out in the open, however, this simple solution was not (14) . Climbing a hill would have helped, but in many places the ground was flat. The ape-men (15) the only possible solution. They reared up as high as possible on their hind limbs and began to walk (16) . This vital change of physical position brought about considerable disadvantages. It was extremely unstable and it meant that the already slow ape-men became (17) still. (18) , they persevered and their bone structure gradually became (19) to the new, unstable position that (20) them the name Homo erectus, upright man.

15（）

A.chose

B.adopted

C.accepted

D.took

百日咳的咳嗽特点为（）

A.咳嗽症状可持续2～3个月

B.阵发性、痉挛性咳嗽，咳出大量黏稠痰液而终止

C.发热、中毒症状重

D.颜面水肿、球结膜出血

E.咳嗽一结束即自由玩耍