兰索拉唑用于治疗胃及十二指肠溃疡的机制是()
A.中和胃酸,升高胃内pH
B.保护胃黏膜
C.阻断H2受体
D.抑制H+,K+-ATP酶
E.阻断胆碱M受体
参考答案:D
More and more people prefer to travel on ______ plane, because you can have a comfortable and quick journey, but make sure you get ______ safe one.
A.the; the
B.a; the
C.the; a
D./; a
永康榨油厂用13吨菜籽榨油5.81吨,平均每吨菜籽可榨油多少吨?(得数保留两位小数)