卡托普利属()
A.抗心律失常药
B.抗心绞痛药
C.抗高血压药
D.调血脂药
E.利尿药
参考答案:C
Her boss got angry, for she had done ________ of her task.[ ]
A. nothing
B. none
C. some
D. neither
在CDMA系统中,用户随机移动性引起的“远近”效应和“角落”效应与下列那些种干扰无关。()
A.多址干扰
B.白噪声干扰
C.多径干扰