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分析印记技术

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Decide whether the sentence that uses the underlined word are correct (✓) or false (×).1 ___ A Scale projects involve building bridges.

A. 对
B. 错

___ B Topographical models show areas’ terrain.

A. 对
B. 错

2 ___ A Municipal projects serve communities.

A. 对
B. 错

___ B Construction projects fix water supplies.

A. 对
B. 错