【单选题】Though a foreigner, she ________ a good knowledge of China.
【单选题】Though he is a foreigner, he _____ here.
【判断题】Though he was a foreigner, Dr Bethune regarded the cause of the Chinese people as his own.
【单选题】用尺长方程式为1t=30-0.0024+0.0000125×30×(t-20°C)米的钢尺丈量某段距离,量得结果为121.4090m,则尺长改正为()m。
【单选题】用尺长方程式为1t=30-0.0024+0.0000125×30×(t-20°C)米的钢尺丈量某段距离,量得结果为121.4090m,丈量时温度为28°C,则温度改正为()。