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第三节:阅读理解(共20小题,每题2.5分,满分50分) 阅读下列短文,从每题所给的四个选项中,选出最佳答案 A couple of years ago, I received a $ 600 insurance dividend (保险股息).Sitting at the kitchen table, my wife and I discussed what we might do with the money. I realized now t hat the refrigerator overheard our talk. The very next day it went wrong. The repairman told us we needed a new unit. Cost:$600. Not long after that, we got a refund(赔偿金)from the shop, enough to pay for a trip to Mexico. “I’ve something to tell you,” I said to my wife in a low voice. “How about the living-room?” she suggested. I remembered the color TV set was there. “No, not there. Let’s go out.” I showed her the check as we stood on the driveway. We held each other excitedly and hardly noticed the rain. My car was parked within5 meters. I didn’t think anything about it at the time. As I started for the airport the next day, the car began making strange sounds. Changing the engine cost about $ 1, 000. Then I looked through our financial records. I discovered that during the last ten years we spent all our “found money” repairing a hot water heater, a television and a stove. I never mention money in front of our mechanical equipment. But if this article i s published and I am paid for, the word processor(文字信息处理机)is going to go for sure. It’ll know. 1. What went wrong first as the writer’s? A. The refrigerator          B. The stove C. The TV set              D. The engine of the car 2. What has been repaired and still remains all right? A. The car                 B. The color TV set C. The stove               D. The hot water heater 3. Which statement is wrong according to the passage? A.There are many pieces of moder n equipment in the writer’s home B.The writer often discusses with his wife on how to spend their money. C.The writer has gone into a lot of trouble to repair his things D.The writer’s refrigerator can overhear him
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【单选题】组成装配尺寸链至少有()、减环和封闭环。
A.
组成环
B.
增环
C.
减环组成环
D.
【单选题】在钟控同步RS触发器中,当RS取值不同时,则Q为
A.
R
B.
S
C.
1
D.
0
【简答题】第三章 药效学 1 、名词解释: 兴奋、抑制、药物作用的选择性、防治作用、对因治疗、对症治疗、不良反应、副作用、停药反应、特异质反应、毒性反应、后遗效应、治疗量、极量、最小有效量、 效价强度、效能、治疗指数、激动药、部分激动药、拮抗药。 2 、填空题: ( 1 )药物的基本作用是 _______ 、 _______ 。 ( 2 )药物的二重性是指 _______ 、 _______ 。 3 、简答...
【多选题】申请设立旅行社,具有必要的营业设施应当至少包括( )。
A.
3部以上的直线固定电话
B.
传真机,复印机
C.
传真机,打印机
D.
2部以上的直线固定电话
E.
具备与旅游行政管理部门及其他旅游经营者联网条件的计算机
【单选题】在一定测定次数范围内,适当增加测定次数,可使置信区间_______,使测定的平均值与总体平均值μ接近。
A.
变宽;
B.
变窄;
C.
不变;
D.
不一定
【单选题】通过实验能够使学生()。
A.
增强感性认识
B.
加深对理论知识的理解和记忆
【单选题】在钟控同步RS触发器中,当RS取值不同时,则Q=
A.
R
B.
S
C.
1.0
D.
0.0
【多选题】在探究性实验中,培养学生根据实验目的来制定实验方案、( )、选择实验方法和仪器、()、收集数据和数据处理等各方面能力依然是其重要的目的。
A.
分配小组
B.
设计实验
C.
操作实验
D.
记录实验
【多选题】一般在主电路和控制电路都会出现的是
A.
热继电器
B.
按钮
C.
电机
D.
接触器
【判断题】在一定测定次数范围内,适当增加测定次数,可以减少偶然误差(或称“随机误差”)。
A.
正确
B.
错误
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