搜题
王老师:19139051760(拨打)
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第1题

The sign was ____ because much of the lettering had worn away. ( )(本题2.5分) A、 irregular B、 illegal C、 illegi
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第2题

1. 在机构中原动件数目（）机构自由度时，该机构具有确定的运动。(本题2.0分) A. 小于 B. 等于 C. 大于
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第3题

Now you are a college student, you should learn to be _____ of your parents’ help. ( )(本题2.5分) A、 extensive B、 i
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第4题

By the end of 2020 China _____ much stronger and richer. ( )(本题2.5分) A、 is becoming B、 will have become C、 w
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