题目内容

___ B Topographical models show areas’ terrain.

A. 对
B. 错

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2 ___ A Municipal projects serve communities.

A. 对
B. 错

___ B Construction projects fix water supplies.

A. 对
B. 错

3 ___ A Land development makes land more usable.

A. 对
B. 错

___ B Infrastructure projects develop maps of areas.

A. 对
B. 错