【名词&注释】
电热丝(electrically heated wire)、超导体(superconductor)、讲学习(stress learning)、酒精灯(spirit lamp)、保险丝(fuse)、白虹贯日、《唐雎不辱使命》、心不在焉(absence of mind)、稀释浓硫酸、要注意(should be noticed)
[单选题]当温度降到一定程度时，某些物质的电阻会变为零，这种物质叫超导体。下列物体可以用超导体来制作的是
A. 家用保险丝
B. 白炽灯泡的灯丝
C. 电炉的电热丝
D. 输电导线
查看答案&解析
举一反三：
[单选题]19．
A. cinema
B. hospital
C. school
D. zoo
[单选题]The Browns are ( 11) Smiths neighbors． Mr Brown's name is John． But when his neighbors talk about him，they ( 12 ) him "Mr Going-to-do ． Do you know why? Mr Brown always says he is going to do something，but he ( 13) does it．Every Saturday， Mr Brown ( 14 ) to the Smiths back door and talks to Mr Smith． He always says he ( 15 ) do something．"I，m going to clean my house today，"he says，( 16 ) "I'm going to wash my car tomor-row，"or"These trees in front of my house'are ( 17) big，l m going to cut them down next week．"Mr Smith usually says，"( 18) ，John?"He knows his neighbor is not going to clean his house，or wash his car，or cut down any trees． Then he says，"Well，excuse me，John． I-m going to do some work in the house． "And he ( 19) ．Mr and Mrs Smith often say to their only child Dick，"Are you going to do something?Then do it． Don-t be ( 20) 'Mr Going-to-do'．
B. the
C. a．
D. one
E. /
[单选题]—Don't try to anything from me,Mary.—I know nothing about it,mum! I was sleeping at that time!
A. hear
B. cheat
C. get
D. hide
[单选题]实验过程中要注意(should be noticed)安全，下列实验操作中安全的是
A. 将鼻孔凑到容器口去闻药品的气味
B. 稀释浓硫酸时，将浓硫酸慢慢注入盛水的量筒内
C. 点燃一氧化碳前先检验其纯度
D. 为了节约火柴，可用燃着的酒精灯点燃另一盏酒精灯
[单选题]29． The writer thinks that people in large cities should __________ ．
A. stop the used water from getting into underground
B. only use the water from the rivers
C. make their used water clean again
D. use as much sea water as possible
[单选题]AThe aim(目的) of students who come to school is ro srudy． But if we haven't a right way to study we will waste the time or the money． The following are ways for studying．
A. Because in the morning， the air is fresh and our minds are clear．For that reason，we can get good results．
B. If w．e don't understand a text well，we must read it again． We should not read the next one till we have learned the first one well．
C. We can not read absent-．mindedly(心不在焉(absence of mind)地) ，or we can get nothing from the book while we are reading．
D. If it is not well understood，write it down and ask our teach-ers or parents，brothers or friends，in any possible way． We must know it completely and then our knowledge can be used well．
E. Though there are many ways for studying，however，the above mentioned(提及的) will be quite enough if we can keep them in heart and do so，
F. The article tells us_________
G. to read in the morning
H. to pay close attention to ways for studying
I. the importance of reading
J. to have patience in studying
[单选题]阅读《唐雎不辱使命》一文的节选文字，回答9-11题。秦王谓唐雎曰：“寡人以五百里之地易安陵，安陵君不听寡人，何也？且秦灭韩亡魏，而君以五十里之地存者，以君为长者，故不错意也。今吾以十倍之地，请广于君，而君逆寡人者，轻寡人与？”唐雎对曰：“否，非若是也。安陵君受地于先王而守之，虽千里不敢易也，岂直五百里哉？”
A. 秦王怫然怒，谓唐雎曰：“公亦尝闻天子之怒乎？”唐雎对曰：“臣未尝闻也。”秦王曰：“天子之怒，伏尸百万，流血千里。”唐雎曰：“大王尝闻布衣之怒乎？”秦王曰：“布衣之怒，亦免冠徒跣，以头抢地耳。”唐雎曰：“此庸夫之怒也，非士之怒也。夫专诸之刺王僚也，彗星袭月；聂政之刺韩傀也，白虹贯日；要离之刺庆忌也，仓鹰击于殿上。此三子者，皆布衣之士也，怀怒未发，休祲降于天，与臣而将四矣。若士必怒，伏尸二人，流血五步，天下缟素，今日是也。”挺剑而起。
B. 秦王色挠，长跪而谢之曰：“先生坐！何至于此！寡人谕矣：夫韩、魏灭亡，而安陵以五十里之地存者，徒以有先生也。”
C. 对下列选文中加点的词的解释，不正确的一项是
D. 寡人以五百里之地易安陵 易：交换
E. 秦王怫然怒 怫然：盛怒的样子
F. 大王尝闻布衣之怒乎 布衣：平民
G. 秦王色挠，长跪而谢之曰 谢：感谢
[单选题]Inthepassage,allthepsychiatrists_________.
A. believedreamscanhelppeopleunderstandalltheproblemsthattheyface
B. thinkdreamsalwayshidesomeone’sfeelingsaboutsexoraggression
C. studydreamanddreamingandhavetheirownideas
D. havethesameideathatpeopleoftendreamaboutthethingstheywant
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