题目

玛丽昨天看见一个男人沿着大街跑。(强调主语) 答案:【答案】It was Mary that/who saw a man running along the street yesterday.【解析】强调句型的结构为“It was/is +被强调部分+that/who +其它”。而本句是强调评语Mary,因此本句可译为It was Mary that/who saw a man running along the street yesterday.已知点P是椭圆上的动点,F1(-c,0)、F2(c,0)为椭圆的左、右焦点,O为坐标原点,若M是∠F1PF2的角平分线上的一点,且F1M⊥MP,则|OM|的取值范围是( )A.(0,c)B.(0,a)C.(b,a)D.(c,a)
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