12. as/though引导让步意义的倒装句前。
Child as he is,Peter knows a lot about China.尽管彼得还是个孩子,但他对中国却知道很多。
13. 与by连用的交通工具名词前。
We can now travel by air.现在我们可以坐飞机旅行。
Shall we walk or go by bus?我们是步行,还是乘公共汽车？
Please send these goods by rail.请通过铁路运送这些货。
14. 以and连接的两个相对名词并用时。
Day and night the waves dash against the rocks.波浪日夜冲击着岩石。
Some people think that husband and wife should never work together.有的人认为夫妻二人绝不应该在一起工作。
15. 表示学科、疾病、颜色、感官、新闻报道及标题的名词前,或语言名词前(但与language连用时用冠词)。
Economics is different from politics.经济学不同于政治学。
Granny died of cancer ten years ago.奶奶10年前死于癌症。
Yellow is a beautiful colour.黄色是美丽的颜色。
Smell is one of the five senses.嗅觉是五种感官之一。
English is not easy to master.英语不易掌握。
四、习惯用不定冠词的短语
a bit 一点儿
a cup of一杯
a depth of深度为
a few 几个
a glass of 一玻璃杯
a good many 许多
a great deal (of...) 许多
a great many 许多
a handful of少量
a kind of一种
a large number of很多的
a length of一节
a little 一点儿
a loaf of一条
a lot (of) 许多
a moment later片刻之后
a pair of一对,一双
a piece of一张,一片
a total of总共
a type of一类
a variety of种种
all of a sudden 突然
as a matter of fact 事实上
as a result 结果
as a rule 一般说来
at a loss 不知所措
catch a cold (患)感冒
do sb. a favour帮某人的忙
have a bath 洗澡
have a break 小憩
have a breath 呼吸
have a chance 有机会
have a cold 感冒
have a fine time 玩得愉快
have a good time 玩得愉快
have a great time玩得愉快
have a hand in 插手某事
have a happy life 过着幸福生活
have a headache 头痛
have a lie-down 躺下
have a nice time 玩得愉快
have a rest 休息
have a say (in) (对…)有发言权
have a stomachache 胃痛
have a swim 游泳
have a try 试一试
have a walk 散步
have a wonderful time 玩得愉快
in a hurry 匆忙
keep an eye on 照看；注意
lend a hand 帮忙
many a 许多
pay a visit to访问
take an interest in 对…感兴趣
with a firm hand 坚决地
with a free hand 慷慨地
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