|
');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
不定冠词基本用法 1.不定冠词表“一” ，意思同“one” He has an English book. 2.用于可数名词单数前泛指人或物的某一类 My father is a doctor. 3.第一次提到某物或某人用a或an There is a pen on the table and the pen is mine. 4. 用于序数词前，表“又一、再一” He ate one apple, but he wanted a second one. Please give me a second chance. 5. 用于表频率、速度、价格等意义的名词前，“每一”， 相当于every fifty meters an hour/three times a day/once a second 6.泛指某人或某物 I saw a man under the tree. 7.习惯用语 a little/few/bit(一些、一点儿) in a word(总之) in a moment(立刻) as a result(因此) half an hour(半小时) a moment ago(刚才) once upon a time(从前) in a loud voice(大声地) in a hurry(匆忙地) with a smile(微笑着) (责任编辑：admin) |