克隆恩病病变部位为（）。
A.小肠
B.结肠
C.全消化道
D.肛门
E.胃窦
参考答案：C
He has made a promise that _____ the cost, he will buy the house not far away from the beach. [ ]
A. no matter how much
B. whatever
C. however
D. no matter how
麦芽溶解不好，酶活力低时，下料温度应适当（）些。
A.高
B.低
C.先高后低
D.先低后高
