Topic sentences 写作练习

任务三:  Topic sentences 写作练习

中间段落的结构: Topic sentence + developing sentences

下面给出的6个段落仅仅保留了developing sentences, 请大家在最前面补上topic sentence, 请注意，这句话要能概括整个段落的内容。

1.

English speakers relaxing at home, for example, may put on kimonos, which is a Japanese word. English speakers who live in a warm climate may take an afternoon siesta on an outdoor patio without realizing that these are Spanish words. In their gardens, they may enjoy the fragrance of jasmine flowers, a word that came into English from Persian. They may even relax on a chaise while snacking on yogurt, words of French and Turkish origin, respectively. At night, they may shampoo their hair and put on pajamas, words from the Hindi language of India.

2.

In European universities, students are not required to attend classes. In fact, professors in Germany generally do not know the names of the students enrolled in their classes. In the United States, however, students are required to attend all classes and may be penalized if they do not. Furthermore, in European system, students usually take just one comprehensive examination at the end of their entire four or five years of study. In the North American system, on the other hand, students usually have numerous quizzes, tests, and homework assignments, and they almost have to take a final examination in each course at the end of each semester.

3.

Firstly, both are small rural communities. For example my hometown, G, has a population of only about 10,000 people. Similarly, my college town, S, consists of 11,000 local residents. A second way in which these two town are similar is that they are both located in rural areas. G is surrounded by many acres of farmland which is devoted mainly to growing corn and soybeans. In the same way, S lies in the center of farmland which is used to raise hogs and cattle. Thirdly, those towns are similar in that they contain college campuses.

4.

For example, education has been greatly advanced by the technological advances of computers. Students are able to learn on a global scale without ever leaving their classrooms. Agricultural processes that once required dozens upon dozens of human workers can now be automated, thanks to advances in technology, which means cost-efficiency for farmers. Medical discoveries occur at a much more rapid rate, thanks to machines and computers that aid in the research process and allow for more intense educational research into medical matters.

5.

Firstly, in areas where there is a high crime rate, the use of security cameras may act as a deterrent to criminals: if they can see a camera, they may think twice about breaking into a building or stealing a car. Furthermore, if a crime is carried out, then a camera may provide useful evidence. The same is true for a cellphone; the police sometimes rely on call logs to help them trace the whereabouts of suspects or victims.

6.

Firstly, newspapers are the most traditional means of communicating the news, and not everyone wants to or is able to use the Internet instead. For example, old people or those in rural areas might not have the ability or opportunity to get online, while many of us simply prefer newspapers even if we do have Internet access. Secondly, newspapers can be trusted as reliable sources of news because they employ professional journalists and editors. Finally, many people like the experience of holding and reading a paper rather than looking at a computer screen.