⒈ 开门见山。 开门见山提出主题, 随之用细节来解释, 支撑或发展主题句所表达的主题思想。这也是最常见的演绎法写作方式。考生要分清main idea 和supporting sentence。
Today the problem of environment has become more and more serious. The world population is rising so quickly that the world has become too crowded. We are using up our natural resources too quickly and at the same time we are polluting our environment with dangerous chemicals. If we continue to do this, human life on earth will not survive.
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浏览完短文后可以看出，main idea为Today the problem of environment has become more and more serious.第一句后面的内容为supporting sentences。
A human body appears to be rather soft and delicate, compared with that of a wild animal, but it is actually surprisingly strong. Indeed, its very softness and looseness is an advantage; it makes man good at moving about movement of all living things of his own size, because he can do so many different things with his limbs. Man’s games show how he can control his own body. No other land creature can swim as skillfully as man; more has such varied grace; very few lives as long as he; none is so strong in its natural resistance to disease. Therefore man has a great advantage in his battle against the risks of damage and death that threaten him.
Joshua Bingham studied 4 years at the University of Paris and decided to leave his graduation. He transferred to the University of Berlin and graduated with honors. Harvard Law School and, later, Boston College provided him with an excellent legal background. He is presently a corporation lawyer in Miami, Florida.
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Q: What is the main idea of the paragraph? ____
A. How Joshua Bingham became a lawyer.
B. Bingham is a diligent student.
C. Joshua Bingham received an excellent education.