有降血糖及抗利尿作用的药物是（）
A.甲苯磺丁脲
B.氯磺丙脲
C.格列本脲
D.二甲双胍
E.苯乙双胍
参考答案：B
In the current situation, ___________ the dollar goes above 1.85 reais, investors sell the greenback to take some profit.
A．whenever
B．however
C．whatever
D．whichever
地球自转轨道平面与地球公转轨道平面的夹角大约是（）度
A.不到5
B.15
C.25
D.至少35
