________the doctor, he was saved.[ ]
A. Due to
B. Thanks to
C. As a result
D. Because
答案:B
He is my ________.[ ]
A. brother
B. sister
C. mother
YB25包装机当安装在三号轮入口处的阻塞检测器在烟包从二号轮输送到三号轮的过程中检测出烟包阻塞时显示“()”故障。