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问题 单项选择题

GeoDatabase是GIS软件( )中所采用的模型。

A．MapGIS
B．SuperMap
C．MapInfo
D．ArcGIS

答案

参考答案：C

解析： GeoDatabase是GIS软件MapInfo中所采用的模型。故选C。

选择题

The girl in the snapshot was smiling sweetly，_____.

A．her long hair was flowing in the breeze

B．her long hair were flowing in the breeze

C．her long hair flowing in the breeze

D．her long hair flowed in the breeze
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选择题

已知破坏1 mol H-H键，Cl-Cl键，H-Cl键分别需要吸收436 kJ，243 kJ，432 kJ的能量，则由H2与Cl2生成

1 mol HCl的总过程需要[ ]

A．放热185 kJ

B．吸热185 kJ

C．放热92.5 kJ

D．吸热92.5 kJ

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