题目内容
13．_____for the timely investment from the general public，our company would not be so thriving（兴旺的）as it is．（ ）| A． | Had it not been | B． | Were it not | ||
| C． | Be it not | D． | Should it not be |
分析 要不是公众及时投资，我们公司就不会像现在这样兴旺．
解答 答案是A．本题考虚拟条件句．与现在事实相反时，主句中用"would/should/could/might+do"；可见本题主句是与现在事实相反；根据语境，"公众及时投资"是过去已经发生的事，所以从句中用过去完成时表示与过去事实相反的假设；虚拟条件句中如果含有助动词should、had和were，可以将连词if 省去，将这三个助动词提前；本题题干从句完整的表达是"If it had not been for the timely investment from the general public"，去掉if，将had提前，由此得出答案是A．
点评 在掌握虚拟语气的规则的基础上，判断题干属于什么类型的虚拟，然后根据语境，选用恰当的动词形式表达虚拟．
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17．
Charity-Humanity's most kind and generous desire-is a timeless and borderless virtue，dating at least to the dawn of religious teaching．Philanthropy（慈善行为）as we understand it today，however，is a distinctly American phenomenon，inseparable from the nation that shaped it．From colonial leaders to modern billionaires like Buffett，Gates and Zuckerberg，the tradition of giving is woven into the national DNA．（67）F Benjamin Franklin，an icon of individual industry and frugality（节俭）even in his own day，understood that with the privilege of doing well came the price of doing good．When he died in 1790，Franklin thought to future generations，leaving in trust two gifts of 1，000 Ib．of sterling silver-one to the city of Boston，the other to Philadelphia．According to his instruction，a portion of the money could not be used for 200 years．
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While Franklin's gifts lay in wait，the tradition he established evolved alongside the young nation．（68）E Often far less famed men and women have played a critical role in philanthropy's evolution．One of my personal heroes is Julius Rosenwald，who helped construct more than 5，300 schools across the segregated（种族隔离）South and opened classroom doors to a generation of African-American students．（69）A The answer is not just to benefit others．Tax reduction，for one，encourages the rich people to give．And philanthropy has long helped improve the public image of everyone from immoral capitalists to the new tech elite．More troubling，however，are the foundational problems that make philanthropy so necessary．Just before his death，Dr．Martin Luther King Jr．wrote，"Philanthropy is praise-worthy，but it must not cause the philanthropist to overlook the circumstances of economic injustice which make philanthropy necessary．"
Franklin's gifts represent a broader principle．We are guardians of a public trust，even if our capital came from private enterprise，and our most important obligation is ensuring that the system works more equally and more justly for more people．（70）B America's greatest strength is not the fact of perfection，but rather the act of perfecting．