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问题
选择题
His grandma _____ for two years.
A. died
B. has been dead
C. was dead
D. has died
答案
答案:
B
问答题 简答题
商品条码692900012345C的校验码C值是多少?
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多项选择题
化学性栓塞术常用于哪些中晚期恶性肿瘤的姑息性治疗()
A.肝癌
B.富血供性肝转移瘤
C.肾癌
D.膀胱癌
E.前列腺癌
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