Even today, a century after Pasteur developed the first vaccine, rabies almost always kills (its victims unless inoculated) in the earliest stages of the disease.
(A) its victims unless inoculated
(B) its victims unless they are inoculated
(C) its victims unless inoculation is done
(D) the victims unless there is an inoculation
(E) the victims unless inoculated
答案是B,错选了E。感觉逻辑好混乱,不知道B的its和they指代什么,麻烦老师讲解。
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【请May老师回答】这题鸡精提供的答案是D 可是我觉得第二个条件不能得出呢 假设n三次方是x平方 除以n平方 是可以得到x/ n 平方 但是x/n 不一定是整数呀?