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【单选题】
外科手术术前预防性应用抗生素的基本原则不包括（ ）A.
清洁手术通常不需预防用抗菌药物
B.
清洁—污染手术及污染手术需预防用抗菌药物
C.
手术范围大、时间长的清洁手术可考虑预防用抗菌药物
D.
术前预防用抗生素总的时间不超过48小时，个别情况可延长至36小时
E.
外科手术术前预防性应用抗生素所选用的抗生素药物必须是疗效肯定、安全、使用方便及价格相对较低的产品
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举一反三
【简答题】I don’t teach English, I teach Chinese.
【单选题】赵某,男, 50 岁,颈前偏右有一实性结节,质硬。两周后发现声音嘶哑,超声显示:甲状腺右叶单发,境界不清,低回声结节,内有细点状强回声,伴有右颈部淋巴结肿大,最可能的诊断是
A.
甲状腺腺瘤
B.
甲状腺癌
C.
甲状腺囊肿
D.
结节性甲状腺肿
【简答题】What animals swim from birth? All mammals except man and ______.
【简答题】Except whom of all mammals do they swim naturally from birth?
【单选题】— I don't know _____ the piano. — Don't worry. I can teach you. [ ]
A.
how to play
B.
when to play
C.
how playing
D.
when playing
【单选题】听力原文：W: How often should I teach you that you must ask permission first? M: I don't know and I don't care. What can be inferred from the boy's response?
A.
He is innocent.
B.
He is careless.
C.
He is cynical.
D.
He is permissive.
【单选题】赵某,男,50岁,颈前偏右有一实性结节,质硬。两周后发现声音嘶哑,超声显示:甲状腺右叶单发,境界不清,低回声结节,内有细点状强回声,伴有右颈部淋巴结肿大,最可能的诊断是
A.
甲状腺腺瘤
B.
甲状腺癌
C.
甲状腺囊肿
D.
结节性甲状腺肿
E.
桥本病
【单选题】I don’t doubt _____ he is a brilliant scientist, but can he teach?
A.
whether
B.
if
C.
that
D.
what
【单选题】“Can you teach me how to sing the song YOU AND ME ?” “_________”
A.
No problem.
B.
No, I can’t.
C.
I don’t have time .
D.
That’s OK.
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