淀粉酶活性减低见于（）
A.腮腺炎
B.消化性溃疡
C.机械性肠梗阻
D.慢性胰腺炎
E.急性胰腺炎
参考答案：D
—Lucy, what would you like to have, juice or Coca?
—________. I'd like to have a glass of water. [ ]
A. Each
B. Neither
C. Either
D. both
D35型大平车的换长为（）。
A.4.2
B.4.6
C.4.8
D.5.7
