If they try hard to do something and fail, they may conclude that they will never be able to accomplish a particular task.
It is from my grandparents________ I learned a lot.
A. who
B. whom
C. that
D. which
胸段脊髓受累
A. 两性霉素B
B. 氟康唑
C. 5-氟胞嘧啶
D. 泼尼松
E. 吡哆醇
男性，58岁。午休后突感头晕，右侧肢体无力伴不能言语，既往：有冠心病、房颤史，头颅CT扫描示左侧内囊区一斑片状低密度影
A. 两性霉素B
B. 氟康唑
C. 5-氟胞嘧啶
D. 泼尼松
E. 吡哆醇
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