第31题: [单项选择]It is a legal ________ for parents to ensure that their children are provided with efficient education suitable to their age. A. sympathy B. obligation C. impulse D. influence 参考答案:B 答案解析:[参考译文] 父母有法律义务确保孩子受到良好的适龄教育。
[试题分析] 此题考查名词词义。
[详细解答] obligation此处作“义务,责任”讲;而impulse意为“冲动,刺激”;influ