关于磺酰脲类降糖药的说法正确的是( )
A. 通过刺激胰岛β细胞释放胰岛素降低血糖
B. 可降低正常人血糖
C. 对胰岛功能尚存者有效
D. 氯磺丙脲对尿崩症有效
E. 格列齐特可抑制血小板聚集
Today I'm here to talk about ________make an effective business phone calls.
A. what
B. how to
C. when to
Do you know __________a good husband?
A. what makes
B. how to
C. what is
The last tip you should bear in mind is ______when ____________.
A. smile, talking
B. to smile, talk
C. to smile, talking