logo - 刷刷题
下载APP
【简答题】

When my twin sons, Chad and Brad, were born, I was concerned about everything. Five years later, our little girl, Becky1our family. I wanted everybody to be healthy and happy. I worked hard to see that they were.
As the kids grew older, I worried about headaches, throat infections and many other common childhood illnesses.I didn’t like it when the boys spent time “warming the bench (板凳)” during Little League football s. I worried about Becky when she2the ball while playing softball.Before long, the years were upon us. I stayed up late at night waiting for the boys to return home.Many times the3crossed my mind that I would call the police if they weren’t home on time.4, they always arrived home safe and sound before I had to take such5.
“Please don't ever call the police,” one of the boys said when I6him after a late arrival. The day the boys moved away to college was a(n)7day indeed. I worried about their being able to take care of themselves. Would they starve?
A few months after the boys left college, our8rang in the middle of the night. It startled (惊醒) us when we looked at the clock.It was 3 o’clock in the morning. “Something must be wrong,” I shouted to my husband, Roy, as we both jumped up.We ran to the door, opened it, and there stood a police officer.
“You need to call your sons,” he9announced. I picked up the telephone, but unfortunately, it was 10. A line outside had been accidentally cut. Roy and I jumped into the car and11to the nearest telephone.My stomach ached.My husband was12so badly that he could hardly dial the number.
On the first13, Chad answered the telephone. “What's wrong?” Roy shouted into the receiver (听筒). “We were worried about you,” Chad told him. “We’ve been trying to call you all night, but you didn’t14 .We called the police and asked them to go and check on you.”
For the first time in their lives, the boys were worried about us. And they were the ones who15had to call the police.
小题1:A.completedB.visitedC.testedD.appreciated小题2:A.hitB.threwC.gotD.missed小题3:A.planB.adviceC.worryD.thought小题4:A.StrangelyB.Probably C.LuckilyD.Hopefully小题5:A.worriesB.placesC.measuresD.telephones小题6:A.threatenedB.toldC.surprisedD.reminded小题7:A.niceB.embarrassingC.happyD.sad小题8:A.phoneB.clockC.alarmD.doorbell小题9:A.seriouslyB.carefullyC.anxiouslyD.kindly小题10:A.goneB.uselessC.deadD.shortened小题11:A.rushedB.headedC.wentD.moved小题12:A.lookingB.shakingC.sufferingD.seeing小题13:A.nightB.arrivalC.tryD.ring小题14:A.talkB.answerC.wakeD.care小题15:A.frequentlyB.suddenlyC.actuallyD.rarely

举报
题目标签:听筒
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】电话听筒的作用是[ ]

A.
将声音转化为变化的电流
B.
通过碳粒电阻的变化,使电流发生相应的变化
C.
线圈的磁性强弱随变化的电流而变化,使铁片振动而发出声音
D.
使电流直接转换为声音

【单选题】电话听筒的作用是(  )

A.
把声音变成变化的电流
B.
把随声音变化的电流还原为声音
C.
把变化的电流变为不变的电流
D.
以上说法都不对

【单选题】听诊器、听筒、血压计等属于

A.
高度危险性物品
B.
中度危险性物品
C.
低度危险性物品
D.
需高水平消毒的物品
E.
需中水平消毒的物品