选择题：Why did Stephen Francis decide to coach Shelly-Ann

题目内容：
Why did Stephen Francis decide to coach Shelly-Ann?( )(本题3.0分) A He had a strong desire to free her family from trouble.
B He sensed a great potential in her despite her weaknesses.
C She had big problems maintaining her performance.
D She suffered a lot of defeats at the previous track meets.

参考答案：

当元件中电流、电压为非关联参考方向时（）。A、功率表为负，元件发出功率 B、功率表为正，元件发出功

当元件中电流、电压为非关联参考方向时（）。A、功率表为负，元件发出功率 B、功率表为正，元件发出功率C、功率表为负，元件吸收功率 D、功率表为负，元件吸收功

分类：平顶山学院-英语(专升本)-英语报刊选读(专升本)  题型：选择题
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比例是指图样中图形与其实物相应要素的线性尺寸之比。已知某零件图的比例为5:1,则该比例为_____比

比例是指图样中图形与其实物相应要素的线性尺寸之比。已知某零件图的比例为5:1,则该比例为_____比例;绘制图样时,尽量采用 ___ 比例。

分类：平顶山学院-英语(专升本)-英语报刊选读(专升本)  题型：选择题
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