适用于高血压合并心绞痛患者的药物是()
A.缬沙坦
B.美托洛尔
C.非洛地平
D.氢氯噻嗪
E.赖诺普利
参考答案:B
He hasn't slept at all for three days.________ he is tired out. [ ]
A. There is no point
B. There is no need
C. It is no wonder
D. It is no use
对于给定的船舶,转数相同时,船速越低,推力();船速相同时,转数越低,推力()。
A.越小,越大
B.越小,越小
C.越大,越小
D.越大,越大