()是根据装备复杂程度和重要性,确定重点设备,并进行重点检查、重点维修、重点管理和重点预防的管理方法。
A.前期管理
B.“5S”管理
C.重点管理
D.维修管理
参考答案:C
Hello! My name’s David. I’m 15. I’m a student of No.6 Middle School. I have three friends at school. They are Tom, Bill and Jim. They are all 15 years old. We are friendly(友好的) to each other(互相). There are four people in my family. They are my father, my mother, my sister Joy and I. My sister is only five. She is lovely(可爱的). We live in Room407. Our telephone number is six seven five four nine eight three two.
根据短文内容,选择正确答案。
小题1:What school is David in?
A. No.4 Middle School.
B. No. 6 Middle School.
C. No.5 Middle School.
小题2:Who are David’s friends?
A. Tom, Bob, Jim
B. Tom, Jerry, Bill
C. Tom, Bill, Jim
小题3:Are they friendly to each other?
A. Yes, they are.
B. No, they aren’t.
C. Yes, they aren’t.
小题4:How many people are there in David’s family?
A. Three. B. Four. C. Five.
小题5:What’s the telephone number?
A. 67459832 B. 67548932 C. 67549832
一张软磁盘上存储的内容,在该盘处于什么情况时,其中数据可能丢失
A.放置在声音嘈杂的环境中若干天后
B.携带通过海关的X射线监视仪后
C.被携带到强磁场附近后
D.与大量磁盘堆放在一起后