阿托品抗休克的主要机理是
A.对抗迷走神经作用B.扩张血管,改善微循环C.扩张支气管,降低气道阻力D.兴奋中枢神经,改善呼吸E.收缩血管,升高血压
参考答案:B
—Let's go Dutch for this supper, OK?
—No,________this time, as a reward for all your help.
A.it's up to you
B.it's my treat
C.let's talk about it
D.it doesn't matter