I don't really work here; I ______until the new secretary arrives.
A. just help out
B. have just helped out
C. am just helping out
D. will just help out
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To save time on the Internet,______.
A. some people leave their letters in the dustbin
B. some people never use "shift" in their writing
C. people seldom use capital letters and punctuation
D. many people leave the capital or punctuation
下列头孢菌素类对绿脓杆菌有效的是( )
A. 头孢噻啶
B. 头孢氨噻
C. 头孢氨苄
D. 头孢呋新
E. 头孢孟多
对“今朝有酒今朝醉，明日愁来明日愁”理解正确的是( )。
A. 体现了事物是永恒发展的原理
B. 这是一种科学的人生观
C. 违背了事物普遍联系和发展的客观规律
D. 这是唯心主义的
治疗肾病综合征伴有高血压时，宜选用( )
A. 氢化可的松
B. 可的松
C. 地塞米松
D. 强的松
E. 强的松龙
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