第10题: [单项选择]机工是指由工人操纵机床对工件进行加工,下列属于机工的加工方法的是()。 A. 钻孔 B. 刨削 C. 攻丝 D. 錾削 参考答案:B 答案解析:钳工的主要内容包含:划线、锯削、锉削、錾削、钻孔、绞孔、攻丝、套扣等,机工常用的加工方法有车削、钻削、刨削、铣削、镗削、磨削及齿轮的齿形加工等。
第23题: [单项选择]Why did all the other residents agree to move A. Because they could move into new flats with more rooms than their old ones. B. Because they liked to move into new flats. C. Because they could move into new flats not far from their old homes. 参考答案:C