单项选择题 The work ______ in two days. A．has been finished B．will finish C．will be finished D．are finished

单项选择题 It was the first time she ______ at a summer school and she enjoyed it greatly. A．was B．has been C．had been D．is

单项选择题 脑干损伤瞳孔变化的特征为( ) A．双侧瞳孔散大、固定 B．伤后双侧瞳孔立即缩小 C．一侧瞳孔进行性散大，对光反应消失 D．双侧瞳孔大小多变，不等圆 E．两侧瞳孔等大，对光反射灵敏