(I) Jeppe Aakjaer was a Danish novelist and poet who grew up in the Jutland farming area, (II) He was very well aware of the harsh conditions endured by farm labourers in his country. (III) His early novels dealt primarily with this theme. (IV) However, the 19th-century Danish writer best known outside Denmark was Hans Christian Andersen, the author of some of the world’s best-known faiiy tales. (V) Children of Wrath: A Hired Man's Saga, which is considered Aakjaer’s most powerful novel, was a strong plea for the betterment of the farm labourer's lot.

(I) The naturalist, explorer and writer John Muir contributed greatly to the expansion of the US national park system. (II) It was largely thanks to Muir’s attempts that Sequoia and Yosemite national parks were established in 1890. (III) In 1903 he made a camping trip in Yosemite with President Theodore Roosevelt, who absorbed Muir’s enthusiasm for nature. (IV) Roosevelt had come into office in 1901, just before his 43rd birthday, when President McKinley was killed by an anarchist. (V) During the remainder of Roosevelt's presidency, Muir helped to set aside 60 million hectares as national forests.

(I) In Asia, only in Siberia, where the population is small, has the natural landscape survived relatively unchanged. (II) Asia was once the range for countless species of wildlife, including some found only in Asia. (III) Now many species have been drastically reduced in numbers, some close to the point of extinction. (IV) This is mainly because the governments of most nations in Asia haven't had strong policies for protecting wildlife. (V) As a result, uncontrolled hunting has often been allowed.

(I) In the United States, a short interruption in the workday is called a coffee break. (II) In other parts of the world, it is more likely to be a tea break. (III) In all of Asia, Europe, the Middle East and North Africa, tea is the more popular drink of the two. (IV) On any busy afternoon in Istanbul. Cairo, or any of several other Muslim cities, runners can be seen making their daily rounds carrying small trays of glasses filled with steaming hot tea. (V) And nowadays, almost any hot drink that is not coffee or chocolate may be called tea.

(I) A common area of disagreement within the family is how much freedom the adolescent should have, (II) Parents often feel that an adolescent is not mature enough to have the freedom he or she insists on taking. (III) Experts advise giving children small responsibilities from a young age so that they grow up to be responsible adults. (IV) Many adolescents resent being treated like children and often respond to discipline with anger and sometimes with defiant behaviour. (V) This difference and a seeming lack of understanding are what is often referred to as the generation gap.

(I) The most popular drink in the world after tea is beer, an alcoholic drink made from grain. (II) Nowadays, the most popular beverage in Britain is ginger beer, made by fermenting a mixture of ginger, water, sugar, cream of tartar, yeast and water. (III) Lemon peel and juice or citric acid may also be added. (IV) It is carbonated and mildly alcoholic. (V) There is also nonalcoholic ginger beer with a more distinct ginger flavour.

(I) From a career standpoint, radio and television form a single field in many respects. (II) It is a merciless world where there is a keen competition between people doing similar jobs. (III) For higher positions in communication service and for the design and engineering of stations and equipment, a good education in electrical engineering, with emphasis upon radiation phenomena, is necessary. (IV) Less highly trained people find opportunities as technicians or in maintenance work. (V) Neighborhood demand for service and repairs concerning radio and television also supports many small businesses.

(I) Youth hostels are dormitory-like shelters that provide inexpensive overnight accommodations for travelling young people, (II) Many serve meals as well, or they have kitchens in which guests can prepare their own meals, (III) Eating out poses few problems for a traveller who speaks the language of the country, but menus in another language can be confusing and frustrating. (IV) The primary advantage of hostels is, of course, expense. (V) Staying at one costs far less than it does at most commercial hotels.

(I) The Wall Street Journal was founded in 1889 by Charles H. Dow, of Dow Jones & Company, primarily to cover business and financial news, (II) From its founding until early in the Great Depression, the Journal rarely ventured outside of business and economic news, (III) After World War II, it began to publish occasional feature articles on other subjects. (IV) By the 1960s, the Journal regularly carried two feature articles on page one that only occasionally addressed business subjects. (V) Apart from Dow Jones, Standard & Poor's Corporation is a prestigious organisation that compiles market averages as a guide to stock market trends.

(I) All living things, plant or animal, need vitamins for health, growth and reproduction. (II) In experimental animals, the characteristic signs of induced vitamin E deficiency vary with the species. (III) In the mature female rat, reproduction fails because of absorption of the fetus. (IV) In the chick, vitamin E deficiency leads to abnormalities in the vascular system and muscular weakness. (V) In monkeys experiencing the deficiency, an anemia usually accompanies muscular weakness.