I

　　1. if

　　(conj) 如果

　　I will go to Shanghai if I have time in May.

　　是否

　　I don’t know if you are right.

　　2. interest

　　(n) 兴趣,好奇心

　　Now he has grown up he no longer takes any interest in his stamp collection.

　　爱好

　　Her main interests in life are music, tennis and cooking.

　　利息

　　When you borrow money from the bank, you need to pay interest.

　　(v)对……有兴趣

　　The topic he is talking about interests me greatly.

　　3. iron

　　(n)铁

　　This material is as hard as iron.

　　a steam-iron 蒸汽熨斗

　　(v)熨烫

　　She was ironing a shirt when I went to visit her.

　　J

　　1. join

　　(v) 加入

　　He joined the League last June.

　　加入某人行列

　　They are playing basketball. What about joining them?

　　连接

　　The teacher asked us to join the two parts together.

　　2. just

　　(ad) 刚才

　　I have just seen John。

　　恰好

　　It’s just my size.

　　不过，仅

　　After all, he is just a child.

　　(a) 公平的，公正的

　　It is a just sentence. (这是合法的判决)

　　K

　　1. key (n)

　　钥匙

　　I can’t find my key. Can you help me?

　　(打字机、钢琴等的)键

　　You need to press the keys hard, for the piano is quite old.

　　答案

　　Tell me the keys to the test.

　　关键，要诀

　　Diet and exercise are the key to good health.

　　2. kind

　　(n)种类

　　There are all kinds of books in the library.

　　(a)和蔼的

　　Would you be kind enough to help me?