小肠憩室（）
A.多发生于直肠
B.多发生于回盲部
C.多发生于全结肠
D.多发生于十二指肠
E.多发生于食管
参考答案：D
Kate ________ on her new novel, which is supposed to come out next month.[ ]
A. has been working
B. had worked
C. will be working
D. was working
国际收支平衡表是编制的原则（）
A.平衡预算
B.净出口
C.国际贸易原理
D.复式记帐原理
