题目内容

___ B Construction projects fix water supplies.

A. 对
B. 错

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3 ___ A Land development makes land more usable.

A. 对
B. 错

___ B Infrastructure projects develop maps of areas.

A. 对
B. 错

4 ___ A Civil Engineers create new types of aircraft.

A. 对
B. 错

___ B Commercial projects are related to business.

A. 对
B. 错