對金屬與酸反應問題考查的常見題型的分析
在對金屬的化學性質(zhì)考查中，其中金屬與酸反應是中考的熱點，但同時也是一個難點。現(xiàn)將中考化學中的這一知識點加以整理，供同學們參考。
金屬與酸發(fā)生置換反應的條件：
（1）對金屬的要求：必須是金屬活動性順序中排在氫以前的金屬；
（2）對酸的要求：這里所指的酸并不是所有的酸，主要是指稀鹽酸和稀硫酸。
金屬與酸反應產(chǎn)生H2的規(guī)律：（1）質(zhì)量為m，相對原子質(zhì)量為M，化合價為+n（指在生成物中的化合價）的金屬與足量酸反應，產(chǎn)生的氫氣的質(zhì)量x=nm／M
即：H2的質(zhì)量=金屬的質(zhì)量×金屬在化合物中的化合價／該金屬的相對原子質(zhì)量
（2）等質(zhì)量的幾種金屬與足量酸反應產(chǎn)生的H2質(zhì)量與該金屬的 化合價／相對原子質(zhì)量 的值成正比 ，該值越大，產(chǎn)生的H2質(zhì)量越多，該值越小，產(chǎn)生的H2質(zhì)量越小。
圖表型綜合題解題指要
漯河市2009年高中畢業(yè)班第一次適應性測試數(shù)學試題（理科）
本試卷分第Ⅰ卷（選擇題共60分）和第Ⅱ卷（非選擇題共90分），考試時間120分鐘，滿分150分。考試結(jié)束后，將本試卷和答題卡一并交回。
注意事項：
1．答題前，考生務必在答題卡上用黑色簽字筆 將自己的姓名、準考證號填寫清楚。請認真核對準考證號、姓名和科目。
2．選擇題每小題選出答案后，用2B鉛筆把答題卡上對應題目的答案標號涂黑，如需改動，用橡皮擦干凈后，再選涂其他答案標號，在試題卷上作答無效。
參考公式：
如果事件A、B互斥，那么 P(A+B)=P(A)+P(B)
如果事件A、B相互獨立，那么 P(A?B)=P(A)?P(B)
如果事件A在一次試驗中發(fā)生的概率是P，那么n次獨立重復試驗中恰好發(fā)生k次的概率
球的表面積公式 
其中R表示球的半徑
球的體積公式 
其中R表示球的半徑
第Ⅰ卷（選擇題 共50分）
江蘇省揚州中學2008―2009學年第一學期期中考試
高 一 英 語 試 卷 08、11
考試時間120分鐘，滿分120分
第Ⅰ卷（選擇題 共85分）
第一部分：聽力（共兩節(jié)，滿分20分）
第一節(jié)（共5小題，每小題1分，滿分5分）
聽下面5段對話。每段對話后有一個小題，從題中所給的A、B、C三個選項中選出最佳選項，并標在試卷的相應位置。聽完每段對話后，你都有10秒鐘的時間來回答有關小題和閱讀下一小題。每段對話僅讀一遍。
1．Why couldn’t the man come earlier?
A．Because he didn’t catch the school bus.
B．Because he couldn’t get on a public bus.
C．Because he had to wait twenty minutes for the school bus.
2．What did the man think he should do first?
A．Go to the drug store. B．Go to see a dentist. C．Take some medicine.
3．Which language of the following is the woman NOT able to speak?
A．Spanish. B．French. C．Italian.
4．Where are they talking?
A．In a post office. B．Through telephone. C．In Mary’s home.
5．What is the man asking the woman to do?
A．To tell him Jane’s telephone number. B．To get Jane on the phone for him.
C．To tell him Jane’s address.
第二節(jié)（共15小題，每小題1分，滿分15分）
聽下面5段對話或獨白。每段對話或獨白后有幾個小題，從題中所給的A、B、C三個選項中選出最佳選項，并標在試卷的相應位置。聽每段對話或獨白前，你將有時間閱讀各個小題，每小題5秒鐘；聽完后，各小題將給出5秒鐘的作答時間。每段對話或獨白讀兩遍。
聽第6段材料，回答第6、7題。
6．At what time does the flight from New York arrive in Beijing?
A．15：22 B．22：35 C．12：35
7．For how long does the flight stop over at Shanghai?
A．Fifty-five minutes. B．Forty-six minutes.
C．One hour and five minutes.
聽第7段材料，回答第8、9題。
8．Where did Simon get to know Jo?
A．In a cinema. B．In a supermarket. C．In a party.
9．Why will Jo go to downtown this time?
A．Because she has to go to a party. B．Because she likes to see the movie.
C．Because she wants to buy something.
聽第8段材料，回答第10至12題。
10．When will they go to Xi’an?
A．About June 16th. B．About July 16th. C．About June 6th.
11．For how long will they stay in Xi’an?
A．Less than one week. B．More than two weeks. C．Just one week.
12．Why is Monica going to Harbin again?
A．Because her parents live there. B．Because she does not like Xi’an.
C．Because she wants to visit her friends.
聽第9段材料，回答第13至16題。
13．When does the writer always listen to the radio?
A．Every morning. B．At noon every day. C．Every evening.
14．How many wavelengths does the speaker’s radio have?
A．One. B．Two. C．Three.
15．Which of the following does the speaker tune to if he wants to listen to German?
A．Austria. B．Spain. C．Italy.
16．How many countries and languages does the speaker name in the text?
A．Seven and seven. B．Eight and seven. C．Eight and eight.
聽第10段材料，回答第17至20題。
17．For what do the children in school learn their own language?
A．For their society.
B．For benefiting from what people in other countries have written and said.
C．For telling others clearly what they want and what they know.
18．Why do the children learn geography in school?
A．To be able to measure and count things in their daily life.
B．To know something about the world around them.
C．To understand what others tell them.
19．According to the speaker, what is the most important aim of going to school?
A．To learn how to learn. B．To learn facts.
C．To learn to do something new.
20．What is the best title for this talk?
A．The Purpose of Schools. B．School and Education.
C．The Importance to School.
第二部分：英語知識運用（共兩節(jié)，滿分35分）
第一節(jié) 單項選擇題（共15小題，每小題1分，滿分15分）
請認真閱讀下面各小題，從題中所給的A、B、C、D四個選項中，選出可以填入空白處的最佳選項，并在答題卡上將該項涂黑。
21． _____ Wednesday’s presidential debate (辯論) was _____ third and last between Democrat Barack Obama and Republican John McCain.
A． The; the B．The; a C．/; the D． A; /
22．If WGA decides your copy of XP or Vista is pirated(盜版的)， it paints your computer background black and warns you that your software is _____ to be an illegal(非法的) copy.
A．probable B．possible D．possibly C．likely
23． _____, I lost heart in English leaning, but my teacher often said to me, “Keep on working; you’ll succeed _____.”
A．At a time; in time B．At one time; in time
C．At a time; on time D．At one time; on time
24．We didn’t plan our art exhibition like that, but it _____ very well.
A．worked out B．tried out C．went on D．carried on
25．The manager says he needs an assistant that he can _____ to deal with the problems that may occur in his absence.
A．depend B．turn up C．count up D．count on
26．Why don’t you put the meat in the fridge? It will _____ fresh for several days.
A．be stayed B．stay C．be staying D．have stayed
27．_____ that evening was due to his ill health.
A．He failed to come B．That he failed to coming
C．His failure to come D．His failure in coming
28．Charles Babbage is generally considered _____ the first computer.
A． to invent B．inventing C．to have invented D． having invented
29．Police are now searching for a woman who is reported to _____ since the flood hit the area last Friday.
A．have been missing B．have got lost C．be missing D．get lost
30．He isn’t a diligent(勤奮的) student, for it is the third time that he has been late for school, ___?
A．is he B．hasn’t he C．has he D．isn’t it
31．Last summer they visited the Slender West Lake, _____ Yangzhou is famous in the world.
A．in which B．which C．for which D．what
32．The doctor advised Vera strongly that she should take a holiday, but _____ didn’t help.
A．it B．she C．which D．he
33．――How was the televised debate last night?
――Super! Seldom _____ so much media attention.
A．a(chǎn) debate attracted B．did a debate attract
C．a(chǎn) debate did attract D．a(chǎn)ttracted a debate
34． _____ be sent to work there?
A．Who do you suggest B．Who do you suggest that should
C．Do you suggest who should D．Do you suggest whom should
35．―― I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.
――_____.
A．Go ahead B．Good luck C．No problem D．Cheer up
第二節(jié) 完形填空（共20小題；每小題1分，滿分20分）
請認真閱讀下面短文，從短文后各題所給的A、B、C、D四個選項中，選出最佳選項，并在答題卡上將該項涂黑。
One day, Raul was miles away from the small ranch（牧場）house in a large valley. 36 seemed to be all right, yet he felt strange and somewhat uneasy. The wind had picked up, and angry, dark clouds 37 across the sky. He could smell the rain coming. And it did. 38 , the lightning flashed through the clouds, nearly 39 Raul. The thunder（雷聲）was so loud that he buried his 40 in his hands and rubbed his eyes. Then he heard it. Hoofbeats（蹄聲）. He 41 . There before him stood a tall, white 42 . An old man stared down at him from its back.
“Wh-wh-who are y-y-you?” asked Raul. “My name is Gray Cloud,” the old man answered
43 .“Come with me.”
“Can’t say I…wait. I 54 my great-grandfather used to tell stories about a man called Gray Cloud. He died a long time ago. They say he was 55 by lightning during a terrible thunderstorm. Why do you ask?”
36．A．Something B．Everything C．Anything D．Nothing
37．A．dropped B．fell C．rolled D．covered
38．A．Suddenly B．Strongly C．Quickly D．Hardly
39．A．beating B．blinding C．burning D．touching
40．A．nose B．hair C．neck D．head
41．A．looked up B．woke up C．lay down D．sat down
42．A．tiger B．horse C．lion D．elephant
43．A．lazily B．a(chǎn)ngrily C．coldly D．slowly
44．A．natural B．common C．strange D．bad
45．A．a(chǎn)round B．beside C．through D．a(chǎn)bove
46．A．yet B．for C．so D．or
47．A．walking B．leading C．heading D．returning
48．A．them B．themselves C．him D．himself
49．A．shook B．waved C．held D．took
50．A．gone B．left C．followed D．lost
51．A．see B．meet C．beat D．a(chǎn)sk
52．A．waited B．thought C．worried D．excited
53．A．yard B．wind C．grass D．rain
54．A．believe B．consider C．doubt D．forget
55．A．defeated B．caught C．damaged D．struck
第三部分：閱讀理解（共15小題；每小題2分，滿分30分）
請認真閱讀下列短文，從短文后各題所給的A、B、C、D四個選項中，選出最佳選項，并在答題卡上將該項涂黑。
A
There was a story many years ago of a school teacher―Mrs. Thompson. She told the children on the first day that she loved them all the same. But that was a lie. There in the front row was a little boy named Teddy Stoddard. He didn’t play well with the other children and he always needed a bath. She did not like him.
Then Mrs. Thompson got to know that Teddy was actually a very good boy before the death of his mother. Mrs. Thompson was ashamed of herself. She felt even worse when, like all her other students, Teddy brought her a Christmas present too. It was his mother’s perfume（香水）.
Teddy said, “Mrs. Thompson, today you smell just like my Mom used to.” After the children left she cried for at least an hour. On that very day, she stopped teaching reading, writing and math. Instead, she began to teach children.
Mrs. Thompson paid particular attention to Teddy. The boy’s mind seemed to come alive. The more she encouraged him, the faster he improved. By the end of the sixth grade, Teddy had become one of the smartest children in the class.
Six years went by before she got a mote from Teddy. He wrote that he had finished high school, third in his class, and she was still the best teacher he ever had in his whole life. He went to college. Mrs. Thompson got two more letters from him with the last one signed, Theodore F. Stoddard, M. D.（醫(yī)學博士）.
The story doesn’t end there. On his wedding day, Dr. Stoddard whispered in Mrs. Thompson’s ear, “Thank you, Mrs. Thompson, for believing in me. You made me feel important and showed me that I could make a difference.”
Mrs. Thompson, with tears in her eyes, whispered back, “Teddy, you have it all wrong. You were the one who taught me that I could make a difference. I didn’t know how to teach until I met you.”
56．What did Mrs. Thompson find out about Teddy？
A．He often told lies. B．He was good at math.
C．He needed motherly care. D．He enjoyed playing with others.
57．In what way did Mrs. Thompson change?
A．She taught fewer school subjects.
B．She became stricter with her students.
C．She no longer liked her job as a teacher.
D．She cared more about educating students.
58．Why did Teddy thank Mrs. Thompson at his wedding?
A．She had kept in touch with him. B．She had given him encouragement.
C．She had sent him Christmas presents. D．She had taught him how to judge people.
B
Opening week specials at Munchies Food Hall
At the corner of Green and Brown Streets in the city
Monday 7th of January until Sunday, 13th of January 2008
Feast until you’re full ! Come down to Munchies this week to enjoy the special dishes on offer at all of our food outlets. Order from the following:
?Succulent chicken rice ?Spicy satay beef
?Delicious noodle dishes ?Plump park chops
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Title: One’s weakness can become his (71) ▲