关于头期胃液分泌的叙述,正确的是
A.只有食物直接刺激口腔才能引起
B.是纯神经调节
C.不包括条件反射
D.传出神经是交感神经
E.酸度高、消化力强
参考答案:E
The reason ______he was late for class was not the reason ______he gave me.
A.that ; where
B.why; because
C.which; that
D.why; that
在发生重大事件或突发性事件时,需要各警种联合作战,但允许各警种和人民警察有权对不属于其职责范围的事项拒绝执行。 ( )