托福阅读词汇题如何用构词法猜词义

托福阅读词汇题如何用构词法猜词义

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托福阅读词汇题如何用构词法猜词义?实用技巧讲解

托福阅读词汇题怎样用构词法猜词义?

所谓用构词法猜词义，就是指利用前、后缀及合成词来猜词义，具体做法如下：

1、用前、后缀猜测词义

英语中的前缀、后缀构词颇多，且特定的缀往往表示特定的含义，把握住这一点，可起到以不变应万变的效果。

1)He had been overworking and fell ill at last.

overwork是由前缀over-加动词构成，over有"超过、过于"之意，overwork意思是"工作过多，劳累过度"。再如，overburden负担过重，overcharge要价过高，overdo做得过分

英语中常用的前缀还有：

mis-错，误：misfortune不幸;mislead误导;mismanage处理不当

mid-中央：midnight半夜;midway半路

under-低于：underdone半生不熟的;underestimate低估

anti-反对：antibody抗体;anticyclone反气旋;antifreeze防冻剂

下面划线单词为常见后缀派生词：

1)You must stop dreaming and face reality.(-ty为名词的标志)

2)The country is trying to popularize education. (-ize为及物动词的标志，再如realize, modernize)

2、利用合成词猜测词义

Family members take turns choosing a special activity for the evening, and everyone partakes in for fun.

根据短语构成及上下文意思看，此处partakes in相当于takes part in。再如break out-outbreak(名词爆发)，set out-outset(名词起始)，come in-income(名词收入) 。

托福考试阅读背景材料

关于美国的历史

The continent's first inhabitants walked into North America across what is now the Bering Strait from Asia. For the next 20,000 years these pioneering settlers were essentially left alone to develop distinct and dynamic cultures. In the modern US, their descendants include the Pueblo people in what is now New Mexico; Apache in Texas; Navajo in Arizona, Colorado and Utah; Hopi in Arizona; Crow in Montana; Cherokee in North Carolina; and Mohawk and Iroquois in New York State.

The Norwegian explorer Leif Eriksson was the first European to reach North America, some 500 years before a disoriented Columbus accidentally discovered 'Indians' in Hispaniola (now the Dominican Republic and Haiti) in 1492. By the mid-1550s, much of the Americas had been poked and prodded by a parade of explorers from Spain, Portugal, England and France.

The first colonies attracted immigrants looking to get rich quickly and return home, but they were soon followed by migrants whose primary goal was to colonize. The Spanish founded the first permanent European settlement in St Augustine, Florida, in 1565; the French moved in on Maine in 1602, and Jamestown, Virginia, became the first British settlement in 1607. The first Africans arrived as 'indentured laborers' with the Brits a year prior to English Puritan pilgrims' escape of religious persecution. The pilgrims founded a colony at Plymouth Rock, Massachusetts, in 1620 and signed the famous Mayflower Compact - a declaration of self-government that would later be echoed in the Declaration of Independence and the US Constitution. British attempts to assert authority in its 13 North American colonies led to the French and Indian War (1757-63). The British were victorious but were left with a nasty war debt, which they tried to recoup by imposing new taxes. The rallying cry 'no taxation without representation' united the colonies, who ceremoniously dumped caffeinated cargo overboard during the Boston Tea Party. Besieged British general Cornwallis surrendered to American commander George Washington five years later at Yorktown, Virginia, in 1781. In the 19th century, America's mantra was 'Manifest Destiny.' A combination of land purchases, diplomacy and outright wars of conquest had by 1850 given the US roughly its present shape. In 1803, Napoleon dumped the entire Great Plains for a pittance, and Spain chipped in with Florida in 1819. The Battle of the Alamo during the 1835 Texan Revolution paved the way for Texan independence from Mexico, and the war with Mexico (1846-48) secured most of the southwest, including California.

The systematic annihilation of the buffalo hunted by the Plains Indians, encroachment on their lands, and treaties not worth the paper they were written on led to Native Americans being herded into reservations, deprived of both their livelihoods and their spiritual connection to their land. Nineteenth-century immigration drastically altered the cultural landscape as settlers of predominantly British stock were joined by Central Europeans and Chinese, many attracted by the 1849 gold rush in California. The South remained firmly committed to an agrarian life heavily reliant on African American slave labor. Tensions were on the rise when abolitionist Abraham Lincoln was elected president in 1860. The South seceded from the Union, and the Civil War, by far the bloodiest war in America's history, began the following year. The North prevailed in 1865, freed the slaves and introduced universal adult male suffrage. Lincoln's vision for reconstruction, however, died with his assassination. America's trouncing of the Spaniards in 1898 marked the USA's ascendancy as a superpower and woke the country out of its isolationist slumber.

The US still did its best not to get its feet dirty in WWI's trenches, but finally capitulated in 1917, sending over a million troops to help sort out the pesky Germans. Postwar celebrations were cut short by Prohibition in 1920, which banned alcohol in the country. The 1929 stock-market crash signaled the start of the Great Depression and eventually brought about Franklin Roosevelt's New Deal, which sought to lift the country back to prosperity. After the Japanese dropped in uninvited on Pearl Harbor in 1941, the US played a major role in defeating the Axis powers. Atomic bombs dropped on Hiroshima and Nagasaki in 1945 not only ended the war with Japan, but ushered in the nuclear age. The end of WWII segued into the Cold War - a period of great domestic prosperity and a surface uniformity belied by paranoia and betrayal. Politicians like Senator Joe McCarthy took advantage of the climate to fan anticommunist flames, while the USSR and USA stockpiled nuclear weapons and fought wars by proxy in Korea, Africa and Southeast Asia. Tensions between the two countries reached their peak in 1962 during the Cuban Missile Crisis.

托福考试阅读背景材料

The 1960s was a decade of profound social change, thanks largely to the Civil Rights movement, Vietnam War protests and the discovery of sex, drugs and rock & roll. The Civil Rights movement gained momentum in 1955 with a bus boycott in Montgomery, Alabama. As a nonviolent mass protest movement, it aimed at breaking down segregation and regaining the vote for disfranchised Southern blacks. The movement peaked in 1963 with Martin Luther King Jr's 'I have a dream speech' in Washington, DC, and the passage of the landmark 1964 Civil Rights Act and 1965 Voting Rights Act. Meanwhile, America's youth were rejecting the conformity of the previous decade, growing their hair long and smoking lots of dope. 'Tune in, turn on, drop out' was the mantra of a generation who protested heavily (and not disinterestedly) against the war in Vietnam. Assassinations of prominent political leaders - John and Robert Kennedy, Malcolm X and Martin Luther King Jr - took a little gloss off the party, and the American troops mired in Vietnam took off the rest. NASA's moon landing in 1969 did little to restore national pride. In 1974 Richard Nixon became the first US president to resign from office, due to his involvement in the cover-up of the Watergate burglaries, bringing American patriotism to a new low.

The 1970s and '80s were a period of technological advancement and declining industrialism. Self image took a battering at the hands of Iranian Ayatollah Khomeni. A conservative backlash, symbolized by the election and popular two-term presidency of actor Ronald Reagan, sought to put some backbone in the country. The US then concentrated on bullying its poor neighbors in Central America and the Caribbean, meddling in the affairs of El Salvador, Nicaragua, Panama and Grenada. The collapse of the Soviet Bloc's 'Evil Empire' in 1991 left the US as the world's sole superpower, and the Gulf War in 1992 gave George Bush the opportunity to lead a coalition supposedly representing a 'new world order' into battle against Iraq. Domestic matters, such as health reform, gun ownership, drugs, racial tension, gay rights, balancing the budget, the tenacious Whitewater scandal and the Monica Lewinsky 'Fornigate' affair tended to overshadow international concerns during the Clinton administration. In a bid to kickstart its then-ailing economy, the USA signed NAFTA, a free-trade agreement with Canada and Mexico, in 1993, invaded Haiti in its role of upholder of democracy in 1994, committed thousands of troops to peacekeeping operations in Bosnia in 1995, hosted the Olympics in 1996 and enjoyed, over the past few years, the fruits of a bull market on Wall St. The 2000 presidential election made history by being the most highly contested race in the nation's history.

The Democratic candidate, Al Gore, secured the majority of the popular vote but lost the election when all of Florida's electoral college votes went to George W Bush, who was ahead of Gore in that state by only 500 votes. Demands for recounts, a ruling by the Florida Supreme Court in favor of partial recounts, and a handful of lawsuits generated by both parties were brought to a halt when the US Supreme Court split along party lines and ruled that all recounts should cease. After five tumultuous weeks, Bush was declared the winner. The early part of Bush's presidency saw the US face international tension, with renewed violence in the Middle East, a spy-plane standoff with China and nearly global disapproval of US foreign policy with regard to the environment. On the domestic front, a considerably weakened economy provided challenges for national policymakers. Whether the US can continue to hold onto its dominant position on the world stage and rejuvenate its economy remains to be seen.