问题
单项选择题
以下关于参考方法的描述，正确的是（）
A.目前绝大多数检验项目都已有叁考方法
B.性能稳定的常规方法可以用作参考方法
C.每个临床实验室都应建立主要检验项目的参考方法
D.参考方法是鉴定基质效应的重要工具
E.寻求参考方法的目的是当无适宜检测方法时进行替代
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
以下关于参考方法的描述，正确的是（）
A.目前绝大多数检验项目都已有叁考方法
B.性能稳定的常规方法可以用作参考方法
C.每个临床实验室都应建立主要检验项目的参考方法
D.参考方法是鉴定基质效应的重要工具
E.寻求参考方法的目的是当无适宜检测方法时进行替代
参考答案：D
When Dave was eighteen, he bought a secondhand car for 200 so that he could travel to and from work more__ than by bus. It worked quite well for a few years, but then it got so old, and it was costing him____much in repairs that he decided that he had better ____it. He asked among his friends to see if anyone was particularly____to buy a cheap car, but they all knew that it was falling to pieces, so___of them had any desire to buy it. Dave's friend Sam saw that he was ____ when they met one evening, and said, “What's____， Dave？” Dave told him, and Sam answered, “Well, what about advertising it in the paper? You may ___more for it that way than the cost of the advertisement！” Thinking that Sam's____was sensible(合理的)，he put an advertisement in an evening paper, which read “For sale: small car，____ very little petrol, only two owners. Bargain at 50.” For two days after the advertisement first appeared, there was no ____.But then on Saturday evening he had an enquiry(询问)．A man rang up and said he would like to___ him about the car. “All right，” Dave said, feeling happy. He asked the man whether ten o'clock the next morning would be____or not. “Fine，” the man said, “and I'll____ my wife. We intend to go for a ride in it to ____ it.” The next morning, at a quarter to ten, Dave parked the car in the square outside his front door, ____ to wait there for the people who had____ his advertisement. Even Dave had to ____that the car really looked like a wreck(残骸)．Then, soon after he had got the car as clean____ it could be, a police car stopped just behind him and a policeman got out. He looked at Dave's car and then said, “Have you reported this ____ to us yet, sir？”
|