第二步：

我们来看这些词汇中孤立的名词：
1）car
n.汽车，小汽车
例句：In American's university,students go to school by car,but our
chinese students go to school by bike.
2）carbon
n.碳
3）card
n.卡片；名片
例句：In Christmas,I can receive many cards from my friends.
4）cargo
n.船货，货物
例句：They sailed from Shanghai with a cargo of raw iron.
5）carpenter
n.木工，木匠
例句：Xiaoli is only a carpenter of our country.
6）carpet
n.毛毯；地毯
例句：The carpet of his house is very expensive.
7）carrot
n.胡罗卜
例句：a policy of (the) stick and (the) carrot
胡萝卜加大棒的政策
8）case
n.情况；事实；病例
例句：This is a case of stupidity, not dishonesty.
这只是个愚蠢的例子,并非不诚实。
9）cash
n.现金，现款
例句：Do you need some cash in subway?
10）cassette
n.盒式录音带；盒子
例句：Put a new cassette in the cassette recorder to see whether
it works normally.
请给卡式录音机换一盘新磁带,看看录音机是否工作正常。