2.缩写:Mr(Mister),A.M.(a.m.)(in the morning),B.C.(BC)(Before Christ),A.D.(AD)(Anno Domini公元。例如A.D.1949,1949A.D.),PRC(the People's Republic of China),UN(United Nations),e.g.(for example),etc.(etcetera等等)等。 三、表示数字和次数的词和词组:
数字分整数、分数、小数;算式分加、减、乘、除等。
1.表示整数、次数的词组:个(one),十(ten),百(hundred),千(thousand),万(tenthousand),十万 (one hundred thousand),百万(million),千万(ten million),亿(one hundred million),十亿(英one thousand million;美billion),百亿(英ten thousand million;美ten billion);一次(once),两次(twice),三次(three times),四次(four times);第一次(for the first time),第二次(for the second time),第三次(for the third time);上次(last time),这次(this time),下次(next time)等等。
2.分数、小数:one half(),one quarter(),five-eighths(),two and two-fifths(),two point eight(2.8),zero point five(0.5),thirty-five point four two nine(35.429),thirty-nine percent(39%),four permille(4‰)等。
四、正、反义词归类法:
用正反对照的方法记单词,不仅容易记,用时也比较方便。例如:
The boy never goes to school late.The boy always goes to school early.(never是always的反义词,late是early的反义词)
The village is quiet and famous.The village is not noisy and unknown.(quiet是noisy的反义词,famous是unknown的反义词)