以下毒素毒性最强的是()。 A.河豚素 B.河豚酸 C.河豚肝脏毒素 D.河豚卵巢毒 发布时间:2018-05-16 14:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: 以下毒素毒性最强的是()。A.河豚素B.河豚酸C.河豚肝脏毒素D.河豚卵巢毒素
题型:单项选择题 There ______ quantities of apples in the basket and there was ______ milk in the bucket. [ ]A. were; a number of B. was; quantities of C. were; a quantity of D. was; a good many 查看答案