问题 完形填空

Mr. Rock teaches maths at a secondary school. He knows well of his neighbours except the man who lives next door. The man never speaks to anyone and no one knows what he does to make a living .

One day, when Mr. Rock came home from work , he found a gold necklace outside his door. Mr. Rock wondered where it came from. He thought that perhaps someone had dropped it. Mr. Rock planned to take it to the police station the next day. He thought the police would be able to find the owner.

Just then, the police came to Mr. Rock’s home and saw the necklace in his hand. Mr. Rock was very shocked when he was accused(起诉) of robbery(抢劫). A policeman told him that a jewellery shop had been robbed. A witness said that she had seen someone run from the jewellery shop into Mr. Rock’s building right after the robbery.

Mr. Rock was not the robber, but how could he prove it?

小题1:What’s Mr. Rock’s job? (不超过5个单词)____________________________________

小题2:Where did he find the necklace? (不超过3个单词) _______________________

小题3:Why did Mr. Rock feel shocked? (不超过6个单词) ________________________

答案

小题1:He teaches maths.

小题2:Outside his door.

小题3:Because he was accused of robbery.

题目分析:本文叙述了Mr. Rock是一个数学老师,他对于他的邻居的男士之外,他都非常了解,可是有一次在他的门外有一个金项链,他捡了起来准备去警察局报案,可是还没有来得及去报案,警察却招上门来怀疑他是劫匪,他不知该怎么办?

小题1:根据Mr. Rock teaches maths at a secondary school.故用He teaches maths.

小题2:根据he found a gold necklace outside his door.故用Outside his door.

小题3:根据Mr. Rock was very shocked when he was accused(起诉) of robbery(抢劫).故用Because he was accused of robbery.

点评:阅读表达题型的测试目的是从多方位多角度考查考生通过阅读获取信息、处理信息并进行书面表达的能力。比传统的阅读理解题更具有综合性和主观性,更能体现对考生的综合语言运用能力的考查。开放性问题是阅读表达中主观性最强的试题,要求考生结合文章的大意、个人的观点经验来回答相关问题。

单项选择题
填空题

(1)①写出钠核(

 2311
Na)俘获一个a粒子后放出一个质子的核反应方程______

②对下面用相同红光照射做出的两幅图说法正确的是______

A.甲图是衍射图样,乙图是干涉图样

B.甲图是干涉图样,乙图是衍射图样

C.甲图是光通过单缝后的图样,乙图是光通过双缝后图样

D.甲图是光通过双缝后的图样,乙图是光通过单缝后图样

③由某种材料制成的电器元件,其伏安特性曲线如图1所示.现将该元件接在电动势为8V,内阻为4Q的电源两端,则通过该元件的电流为______    A.

(2)(4分)下表是按照密立根的方法进行实验时得到的某金属的UC和v的几组数据.(UC是遏制电压)

UC/V0.5410.6370.7140.8090.878
v/l014Hz5.6445.8886.0986.3036.501
请根据上表的数据在答题纸对应的坐标中作出图2中的UC-v图象;从图象中可知这种金属的截止频率为______;已知e=1.60×10-19C,用给出的数据结合图象算出普朗克常量为______.

(3)为了测量图中果汁电池的电动势E和内阻r,并探究电极间距对E和r的影响(实验器材如图所示).

①将电压表、电流表均视为理想电表,请在图中用笔画线代替导线连接电路;

②实验中依次减小铜片与锌片的间距,分别得到相应果汁电池的U-I图象如图中a、b、c所示.由此可知:在该实验中,随电极间距的减小,电源电动势______ (填“增大”、“减小”或“不变”),电源内阻______  (填“增大”、“减小”或“不变”);

③图线a对应的电源电动势E=V,短路电流I=A.(均保留三位有效数字)