接触流行性腮腺炎儿童后，应()
A．立即检疫3周
B．不须检疫
C．可用丙种球蛋白预防
D．立即接种腮腺炎减毒活疫苗
E．检疫至腮腺肿大
参考答案：A
She likes playing _____ guitar while her brother is fond of playing _____ football.
A．the; the
B．the; a
C．/; the
D．the; /
