【正文】 description of herself in the first paragraph，it can be inferred that she was________．A．independent B．pretty C．rich D．nervous5．Which of the following would be the best title for the passage？A．Grandma Moses：Her Life and Pictures．B．The Children of Grandma Moses．C．Grandma Moses：Her Best Exhibition．D．Grandma Moses and Other Older Artists．Passage 9Scientists say they now have proof to support the old173。s no room for half right or right just half the time．He must be as nearly right as the conditions permit．What works under one set of conditions at one time must work under the same conditions at other times．If the conditions are different，any changes the scientist observes in a demonstration must be explained by the changes in the conditions．This is one reason why investigations are important in science．Albert Einstein，who developed the Theory of Relativity，arrived at this theory through mathematics．The accuracy of his mathematics was later tested through investigation．Einstein39。 progress in learning．D．The students find it hard to make friends．3．Cyberschools are getting popular became _______． A．they are less expensive for students B．their students can work at their own speedC．their graduates are more successful in society D．they serve students in a wider age range4．We can infer that the author of the text is _______．A．unprejudiced in his description of cyberschools B．excited about the future of cyberschoolsC．doubtful about the quality of cyberschoois D．disappointed at the development of cyberschoolsPassage 4South Africa hosted the fifth BRICS Summit in March 2013，which pleted the first cycle of BRICS summits，BRICS is an acronym for the powerful grouping of the world39。s leading upanding economies，namely Brazil，Russia，India，China and South Africa．The BRICS aims to achieve peace，security，development and cooperation．It also seeks to contribute to the development of humanity and build a more stable and fairer world．The industry leaders from the business munities of the five countries agreed that the BRICS countries will actively support industrialization on the African continent in order to contribute significantly to its development and to expand trade links between Africa and BRICS．The global economic situation，though improving，continues to remain uncertain with the Eurocrisis a major concern．The task ahead is to build on these developments and BRICS countries remain mitted to the cause of promoting sustainable growth．Greater economic cooperation among BRICS countries can be significantly important，which will prove beneficial for global economic growth．According to Dr．Rob Davies，South African Minister of Trade and Industry，the African continent is recognized as the second fastest growing continent after Asia．There are four drivers of the economic growth in African continent．These are the boom in mineral products in the African continent，the development of the service industries，the benefit of not having the financial crisis，and infrastructure(基礎(chǔ)設(shè)施）development．Davies also adds that other BRICS countries have advantage of large populations providing big home markets for their products．The South African population is small pared to other BRICS countries，but if you add up numbers on continent then you have a critical mass that can support the new industrial wave in Africa：That is why the South African needs to create large trading blocks across large parts of African continent．1．“BRICS” refers to______．A． the most active economy group in today’s worldB． the most powerful economies in western worldC． leading countries with fast development of humanityD． the most stable and secure countries in the world2．From the text we know that industrialization in Africa will______．A．give financial supports to all African countriesB create trade opportunities for both Africa and BRICS C make significant development in the powerful groupsD．expand sustainable economic cooperation in different continents3．The author believes greater cooperation among BRICS will______，A．promote global economic growth B．bring more challengesC．narrow the gap of development D．solve Europe’s economic crisis4．Which of the following is the driver of the economic growth in Africa？______．A． The development of business industryB． Protective exploration in mineral productsC． The recovery of the infrastructureD． The benefits of having no financial crisisPassage 5What makes a person a scientist？Does he have ways or tools of learning that are different from those of others？The answer is “no”．It isn39。s ideas were proved to be correct．A scientist uses many tools for measurements．Then the measurements are used to make mathematical calculations that may test his investigations．1．What makes a scientist according to the passage？A．The tools he uses． B．His ways of learning．C．The way he uses his tools． D．The various tools he uses．2．“…knowing how to investigate，how to discover information，is important to everyone．”The writer says this to show_______．A．the importance of informationB．the difference between scientists and ordinary peopleC．the importance of thinkingD．the difference between carpenters and ordinary people3．A sound scientific theory should be one that_______．A．works under one set of conditions at one time and also works under the same conditions at other timesB．leaves no room for improvementC．doesn39。fashioned advice that it’s best to sleep on a problem．They say sleep strengthens the memory and helps the brain organize the masses of information we receive each day．The lead researcher Bob Stickgold at Harvard Medical School said，“Sleep helps us draw rules from our experiences．It’s like knowing the difference between dogs and cats even if it’s hard to explain．”The US research team studied how well students remembered connections between words and symbols，report