在室内使用灭火器灭火时，人应处于上风方向。

综合填空： 根据句意与所给的首字母补全单词。

     Antarctica (南极洲) is the continent which is the most southern area of land on the Earth and is mostly

(1)c___________ with ice. This is one of the driest and coldest places in the world. But people from all over

the world come to (2)w___________ there. Near the South Pole (南极), three thousand people live together in

a place (3)c____________ Amundsen-Scott Station.

     The station has libraries, cinemas, shops, sports rooms and laboratories. There is electricity, and they have

telephones-the system (系统) that they use to have a conversation (4)w____________ someone in other place.

And they have (5)c____________-electronic or machines that stores information and uses programs to help

them find, organize or change the information.

     But the people here don't (6)t____________ by car, or train, or bus, because there aren't any roads or

railways near the station. They travel by ship, plane, or snow tractor, or with dogs.

     There aren't any trees or flowers there, but there are (7)h___________ of different birds and other animals. 

     Most of the people here are scientists They study plant and animal (8)l___________ and how ice moves.

The ice can tell us about changes in climate. Ray Kingman is an expert at Amundsen-Scott Station,

(9)t__________ us on the phone, "This is my second year here. It's a very interesting and beautiful place, but

life is very hard in the winter. In the summer we can go swimming in hot pools of water. We welcome

newcomers here for further (10)s___________of the continent!"

问答题(24分)

中央集权制度的确立、完善和加强，反映出封建专制统治加强的轨迹。中国古代封建帝王对专制主义中央集权制度的发展所起的作用不尽相同。请回答：

（1）中国古代专制主义中央集权制度的核心和本质是什么?(2分)

（2）在专制主义中央集权制度发展的过程中存在着哪两对基本矛盾?其发展趋势怎样?(4分)

（3）你如何评价这一制度的进步作用和消极影响?(8分)

（4）唐太宗、宋太祖、明太祖在加强专制主义中央集权制度方面各有何突出特点?(4分)

（5）概括指出上述特点对封建专制主义中央集权制度发展所起的不同作用。(4分)

（6）上述专制主义中央集权制度的发展过程，反映了中国封建社会怎样的发展趋势?(2分)

高尔其的自传体三部曲是什么？

汽轮机热态启动的关键是恰当选择冲转时的蒸汽参数。

彩色聚氨涂料，配制要求成膜慢，涂膜柔性好，可适量增加（）成分用量.

A.甲

B.乙

C.甲和乙

D.没要求