作用于壁细胞H2受体，抑制胃酸和胃蛋白酶的分泌（）
A．西咪替丁
B．阿托品
C．前列腺素E2
D．多潘立酮
E．奥美拉唑
参考答案：A
New York City surpassed the other Atlantic seaports in partly because it developed the best transportation links with the interior of the country.
A．part
B．partial
C．partner
D．parting
珠蛋白
