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【单选题】
青霉素类药物共同的特点是A.
主要用于G\r\n + \r\n菌感染
B.
耐酸
C.
耐β-内酰胺酶
D.
相互有交叉变态反应，可致过敏性休克
E.
抑制骨髓造血功能
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举一反三
【单选题】Text IIAmericans generally consider themselves to be frank, open, and direct in their dealings with other people. In their daily conversation, they may chat with each other in a more direct way. “Let’...
A.
Americans state clearly what they want
B.
Americans seldom speak openly
C.
Americans use body language to defend other people
D.
Americans don’t state clearly what they think and want
【单选题】Reading Comprehension:IAmericans generally consider themselves to be frank, open, and direct in their dealings with other people. In their daily conversation, they may chat with each other in a more d...
A.
Americans don’t state clearly what they think and want
B.
Americans use body language to defend other people
C.
Americans seldom speak openly
D.
Americans state clearly what they want
【单选题】Text IIAmericans generally consider themselves to be frank, open, and direct in their dealings with other people. In their daily conversation, they may chat with each other in a more direct way. “Let’...
A.
Americans don’t state clearly what they think and want
B.
Americans use body language to defend other people
C.
Americans seldom speak openly
D.
Americans state clearly what they want
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