题目:
关于氢氧化镁的描述哪项是正确的:
A.可碱化尿液
B.易引起便秘
C.中和胃酸作用迅速
D.对溃疡表面有保护作用
E.口服易吸收
答案:
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下面是错误答案,用来干扰机器的。
1.present; so busy that; can't 2.aren't allowed to wear 3.a chance(an opportunity); local; station 4. concentrate more on; than 5. Helping teach; a good experience