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【简答题】
形填空(共20小题;每小题1分,满分20分) When Dave was eighteen, he bought a second-hand car for £200 so that he could travel to and from work more 36 than by bus. It worked quite well for a few years, but it got so old, and it was costing him 37 much in repairs, that he decided that he had better 38 it. He asked among his friends to see if anyone was 39 to buy a cheap car, but they all knew that it was falling to pieces, so 40 of them had any desire to buy it. Dave’s friend Sam saw that he was 41 when they met one evening, and said, “What’s 42 , Dave?” Dave told him, and Sam answered, “Well, what about advertising(登广告) it in the paper? You may 43 more for it in that way than the cost of the advertisement!” Thinking that Sam’s 44 was reasonable, he put an advertisement in an evening paper, which read: “For sale: small car, 45 very little gas, only two owners. Bargain at £50.” For two days after the advertisement first appeared, there was no 46 . But then on the Saturday evening he had an enquiry (咨询). A man rang up and said he would like to 47 him about the car. “All right.” Dave said, feeling happy. He asked the man whether ten o’clock the next morning would be 48 or not. “Fine,” the man said, “and I’ll 49 my wife. We want to go for a ride in it to 50 it.” The next morning, at a quarter to ten, Dave parked the car in the square outside his front door, 51 to wait there for the people who had 52 his advertisement. Even Dave had to 53 that the car really looked like a wreck (残破的车). Then, soon after he had got the car as 54 as 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 55 to us yet, sir?” 小题1: A.directly B.safely C.easily D.properly 小题2: A.too B.so C.such D.very 小题3: A.keep B.sell C.repair D.throw 小题4: A.generous B.willing C.lucky D.ashamed 小题5: A.some B.neither C.none D.most 小题6: A.delighted B.calm C.sad D.astonished 小题7:Aon             B.that          C.up                  D.it 小题8: A.learn B.miss C.find D.get 小题9: A.advice B.message C.request D.description 小题10: A.loses B.has C.spends D.uses 小题11: A.doubt B.help C.answer D.trouble 小题12: A.see B.tell C.agree D.call 小题13: A.exact B.early C.suitable D.late 小题14: A.follow B.meet C.bring D.introduce 小题15: A.get B.recognize C.test D.admire 小题16: A.meaning B.happening C.turning D.failing 小题17: A.read B.answered C.inserted D.placed 小题18: A.admit B.forget C.show D.disagree 小题19: A.admit B.fast C.clean D.light 小题20: A.bargain B.sale C.result D.accident
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参考答案:
举一反三
【多选题】对于病人排泄物与分泌物(如粪,尿,脓,痰)的处理,常用的消毒剂有
A.
20%漂白粉
B.
5%石炭酸
C.
2%来苏
D.
70%乙醇
E.
2.5%碘酒
【单选题】限速断油的目的是( )
A.
防止超速
B.
节约燃油
C.
提高车速
D.
降低排放
【单选题】目前船用增压柴油机主机在使用的PCIA调速器上多具有扫气压力燃油限制器,其主要作用是——。
A.
增压压力过高时切断然油供应的安全作用
B.
增压压力过低时自动切断燃油供应
C.
运转中按增压压力高低自动调节循环供油量
D.
船舶加速时防止供油量增加过快而冒黑烟
【多选题】自动变速器做油压试验,目的是:
A.
判断油泵性能
B.
判断主油路调压阀性能
C.
判断换挡阀性能
D.
判断各种限压阀性能
【单选题】目前船用增压柴油主机在使用的PGA调速器上多具有扫气压力燃油限制器,其主要作用是()。
A.
增压压力过高时切断燃油供应的安全作用
B.
增压压力过低时自动切断燃油供应
C.
运转中按增压压力高低自动调节循环供油量
D.
船舶加速时防止供油量增加过快而冒黑烟
【多选题】关于 Logistic 回归分析方法,下列表述恰当的是:
A.
自变量不能是数值变量,只能是有序和无序的分类变量。
B.
是一种概率型回归模型
C.
可用于判别分析
D.
OR 回归系数为负值,则其对应的值小于 1
【判断题】发动机空转时车辆也是要消耗燃油的,所以能控制怠速运转到最小限度也能达到节油的目的。
A.
正确
B.
错误
【简答题】N型半导体主要靠 导电,P型半导体主要靠 导电。
【单选题】关于Logistic回归分析方法的叙述,下列哪一项不恰当。
A.
反应变量是有序或无序的分类变量
B.
Logistic回归模型是一种概率型非线性回归模型
C.
如果某自变量的回归系数为负值,则其相对应的OR值一定小于1
D.
Logistic回归模型的自变量不能是数值变量,只能是有序和无序的分类变量
【多选题】对于病人排泄物与分泌物(如粪、尿、脓、痰)的处理,常用的消毒剂有
A.
20%漂白粉
B.
5%石炭酸
C.
2%来苏儿
D.
70%乙醇
E.
2.5%碘酒
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