You should go to bed early every night.
A. [A] Right.
B. [B] Wrong.
C. [C] Doesn't say.
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属于氨基糖苷类抗生素的是
A. 头孢氨苄
B. 硫酸阿米卡星
C. 氯霉素
D. 头孢唑林
E. 琥乙红霉素
The dentist has decided to pull out her bad tooth.()
A. repair
B. extract
C. take
D. dig
All the changes that have overtaken Shetland recently.()
A. happened unexpectedly
B. changed quickly
C. prevented unexpectedly
D. caught up with
投资银行属于()。
A. 开发银行
B. 商业银行
C. 专业银行
D. 中央银行