用于分割并列成分。考研重點:兩個逗號之間,或者一個逗號之后,如果是補充說明成分時,跳過不看。Eg. Some huge American industries, such as consumer electronics, had shrunk or vanished in the face of foreign competition.
60.The word "pervasive" (Line 1, Paragraph 2) might mean________.
[A]widespread[B]overwhelming
[C]piercing[D]fashionable
We live in a society in which the medicinal and social use of substances (drugs) is pervasive: an aspirin to quiet a headache, some wine to be sociable, coffee to get going in the morning, a cigarette for the nerves.
5.分號(semi-colon)前后是并列關系,包括結構上并列和語義上的并列。
For us, this means that evolution is over; the biological Utopia has arrived. (2000 Passage2)
6.引號(quotationmarks):①引用②強調③諷刺
Eg1 “Scientific” creationism, which is being pushed by some for “equal time” in the classrooms whenever the scientific accounts of evolution are given, is based on religion, not science.
7.括號(parentheses)①解釋說明生詞。②補充說明
Drugs (substances) that affect the central nervous system and alter perception, mood, and behavior are known as psychoactive substances. (1997,Text 3)
8.破折號(dash)
①一個破折號后面起補充說明或評價判斷。
I am an idiot - the stupidest kind of all.“This book stands for reason itself.” And so it does — and all would be well were reason the only judge in the creationism/evolution debate.
②兩破折號之間其補充說明,可先跳過不看。
In Australia—where an aging population, life-extending technology and changing community attitudes have all played their part—other states are going to consider making a similar law to deal with euthanasia.