Do earthquakes ________ often in North America?

(1)【◆题库问题◆】：[单选] Do earthquakes ________ often in North America?
A．break
B．break out
C．happen to
D．occur

【◆参考答案◆】：D

【◆答案解析◆】：地震的发生用动词occur，选项D是正确的。【句子大意】北美经常发生地震吗?

(2)【◆题库问题◆】：[单选,材料题] _________根据以下内容，回答下面的题目。Insure means to protect _51_ a loss of money．Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services．But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident．Such crises usually _54_ great expensE．Even if people could predict crises, it would be hard to save enough money to _55_ the expenses．Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis．An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis．There are many different kinds of insurance, _58_ hospital, motor-car and firE．Insurance can be rather expensive but most people buy insurance of some kinD．Insurance is something _59_ people buy and hope they will _60_ neeD．_________
A．such as
B．for example
C．that
D．the same as

【◆参考答案◆】：A

(3)【◆题库问题◆】：[单选] 点M(4，-3，5)到Ox轴的距离d=

【◆参考答案◆】：B

(4)【◆题库问题◆】：[单选] 根据下列短文，回答{TSE}题。　　There are various in which individual economic units Can interact with one another．Three basic ways may be described as the market system，the administered system and the traditional system．In a market system individual economic units are free to interact among each other in themarketplacE．It is possible to buy commodities from other economic units or sell commodities tothem．In a market，transactions may take place via barter or money exchangE．In a barter economy，real goods such as automobiles，shoes and pizzas are traded against each other．Obviously，finding somebody who wants to bade my old Car in exchange for a sailboat may not always bean easy task．Hence，the introduction of money as a medium of exchange eases transactions considerably．In the modern market economy，goods and services are bought or sold for money．　　An alternative to the market system is administrative control by some agency over all trans．actions．This agency will issue edicts or commands as to how much of each good and service should be produced，exchanged，and consumed by each economic unit．Central 01anaing may beone way of administering such an economy．The central plan，drawn up by the government,shows the amounts of each commodity produced by the various firms and allocated to differenthouseholds for consumption．This is an example of complete planing of production，consump—tion，and exchange for the whole economy．　　In a traditional society，production and consumption paUerns are governed by tradition：everyperson’S place within the economic system is fixed by parentage，religion and custom．　　　　　Transac—tions take place on the basis of tradition，too．People belonging to a certain group or caste mayhave an obligation to care for other persons，provide them with food and shelter，care for theirhealth，and provide for their education．Clearly，in a system where every decision is made on thebasis of tradition alone，progress may be difficult to achievE．A stagnant society may result．{TS}What is main purpose of the passage?
A．To outline contrasting types of economy．
B．To explain the science of economics．
C．To argue for the superiority of one economics．
D．To compare barter and money exchange markets．

【◆参考答案◆】：A

(5)【◆题库问题◆】：[单选] 主张文章应该“有补于世”、“以适用为本”的文学家是（　　）
A．王安石
B．欧阳修
C．柳宗元
D．韩愈

【◆参考答案◆】：A

【◆答案解析◆】：略

(6)【◆题库问题◆】：[单选] 肺泡表面活性物质减少将导致（　　）
A．肺弹性阻力减小
B．肺顺应性增大
C．肺泡表面张力降低
D．肺难于扩张
E．小肺泡内压小于大肺泡内压

【◆参考答案◆】：D

(7)【◆题库问题◆】：[单选]毛泽东在哪部著作中明确提出了新民主主义的三大经济纲领
A．《(共产党人)发刊词》
B．《新民主主义论》
C．《论政策》
D．《目前形势和我们的任务》

【◆参考答案◆】：D

(8)【◆题库问题◆】：[单选] It isn’t quite________ that their team will win the game this evening．
A．exact
B．right
C．sure
D．certain

【◆参考答案◆】：D

(9)【◆题库问题◆】：[单选,材料题] We can conclude from this passage that avalanches________回答下面的题目Never laugh at a snow covered mountain!Laughter and yelling, during the avalanche season, can cause a deadly pile ofsnow．Huge snow slides are most common in mountains where there are steep slopesthat are well buried in snow and icE．The snow builds up slowly and lands verysoftly．This can create a very touchy, unstable situation．Tons of snowmay be held up by only the friction between snowflakes．The deep snow is like ahouse of cards．The slightest movement can cause it to fall．As soon assomething slips, this great mass of snow will come crashing down themountainsidE．Slides may be started by sound vibrations．They may also be started by the weight of wet, melting snow．Once an avalanchehas been triggered, the cause no longer matters．Moving down a steep slope, itpicks up great speed and added snow．Some avalanches travel as fast as twohundred miles per hour．The force of an avalanche will mow down anything in itspath．Whole houses have been swallowed up by these fast-paced piles of snow．Thewind that is caused by an avalanche is almost as destructive as the snowitselF．Winds from an avalanche have been known to travel as fast as those of atornado．So, when approaching a thicklysnow covered mountain, speak softly!Avalanches can be started by________
A．are common everywhere
B．are not very common
C．have killed people
D．are a thing of the past

【◆参考答案◆】：C

【◆答案解析◆】：选项A和B在文中并未提及。文中提到雪崩的强大力量，可以毁掉整座房子，人肯定也是有伤亡的。选项C是正确的。

(10)【◆题库问题◆】：[单选] 老年人主动脉弹性减退，并伴有小动脉硬化时，动脉血压的变化是（　　）
A．收缩压降低，舒张压升高
B．收缩压升高，舒张压降低
C．收缩压升高，舒张压升高
D．收缩压变化不大，舒张压升高
E．收缩压升高，舒张压变化不大

【◆参考答案◆】：C

【◆答案解析◆】：略