为判断幽门杆菌是否被清除,正确的检查时间应在治疗结束后至少()
A.2周
B.1周
C.4周
D.3周
E.3天
参考答案:C
He spoke slowly so that he could make himself easily. [ ]
A. understand
B. understood
C. understanding
D. to understand
把硬盘上的数据传送到计算机的内存中去,称为()。
A、打印
B、写盘
C、输出
D、读盘