BillrothⅠ式胃大部切除术适用于
A．十二指肠球部溃疡B．胰源性溃疡C．胃窦癌D．胃窦溃疡
参考答案：D
— Look! How tall the tree is!
— Yes. It ______ nearly 20 metres. [ ]
A. measures
B. is measured
C. is measuring
D. measured
电脑：鼠标
A．水壶：茶杯 B．手机：短信 C．船：锚 D．录音机：磁带
