The number of deaths from heart disease will be reduced greatly if people________to eat

more fruit and vegetables.[ ]

A．persuade  

B．will persuade

C．be persuaded 

D．are persuaded

胃迷走神经切断术治疗十二指肠溃疡的理论基础是（）。

A.消除了神经性胃酸及胃泌素分泌

B.刺激了胃窦部G细胞分泌

C.刺激了乙酰胆碱的释放

D.抑制黏液细胞分泌碱性黏液

E.抑制主细胞分泌胃蛋白酶原