能够减少胰腺外分泌的措施有
A．禁食及胃肠减压
B．应用抑酸药
C．生长抑素
D．降钙素
E．抑肽酶
参考答案：A,B,C,D
什么叫“不良诱惑”？
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They had no sooner arrived at the airport ________ it was time to check in.[ ]
A. when
B. before
C. than
D. though
