具有抗心律失常、抗高血压及抗心绞痛作用的药物是（）
A.可乐定
B.普萘洛尔
C.利多卡因
D.硝酸甘油
E.氢氯噻嗪
参考答案：B
The committee is discussing the problem right now. It will _____ have been solved by the end of next week. [ ]
A. eagerly
B. hopefully
C. immediately
D. gradually
什么是机械制图？重要作用有哪些？
