下列物质与氧气反应所得的产物在常温下为气体的是 [ ]
A.镁
B.磷
C.铝
D.碳
答案:D
阅读短文,选择正确的答案。
Lovely pandas' faces look like cats', but their fat bodies and short tails are like bears'.
Pandas are very lovely and they are friendly to people. People like them very much. Most Pandas live in
China. The northwestern part of Sichuan Province (省) and southern part of Gansu Province are their
hometowns. Pandas like to climb trees. They usually live in the forests of high mountains, eat bamboo and drink
spring water.
1. The panda mainly lives in .[ ]
A. America.
B. Shanghai.
C. London.
D. China.
2. is like a cat's face.[ ]
A. The panda
B. The panda's face
C. The panda's body
D. The panda's tail
3. Where are the pandas' hometowns?[ ]
A. Guangdong and Gansu.
B. Sichuan and Suzhou.
C. Gansu and Sichuan.
D. Hubei and Sichuan.
4. What's the pandas' main food?[ ]
A. Rice.
B. Meat.
C. Bamboo.
D. Grass.
地籍管理信息系统是以计算机技术为基础,以地理信息系统(GeographiCInformation Sys-tern,简称GIS)为依托,融合()为一体的、高度集成化的信息系统。
A.数据库管理技术
B.办公自动化技术
C.全球定位系统技术
D.管理信息系统技术
E.信息化技术