能对抗刺激迷走神经引起的心率变慢的药物是( )
A．阿托品
B．毛果芸香碱
C．普萘洛尔
D．乙酰胆碱
参考答案：A
-- ___________?
-- It is five shillings.
A．What color is it
B．Where is it
C．How much is it
D．Do you like it.
When writing, he often keeps a dictionary____.
A．in hand
B．on hand
C．at hand
D．hand in
