when the football match finished, the players exchanged their shirts.
2.下雨時，這些樹能起到壹定程度的遮擋作用（give some shelter to）
when it rains, these trees can give somt shelter to some extent.
3.各種實物可以互相交換的經濟叫做易貨經濟（in which）
the economy in which all kinds of objects can be exchanged is called commodity exchange econnmy.
4.警察在街上設置路障以阻擋遊行的人群（set up）
the police set up road block to stop the processional crowds
5.在快餐店裏.顧客無需為服務額外付費（pay extra fees for）
In the snap bar the customers needn't pay extra fees for service.
六.
1.河岸很滑，他失去平衡，跌入河中.
the bank is so slippery that he lost his balance and fell to the river.
2.這個國慶節，他準備去海邊充分享受空閑時間。
This national day he plans to go to the seaside to enloy himself.
3.貸款利息下降使這個公司受益非淺.
the company benefits a lot from the decedence of the loan interest.
4.妳說妳曾去過澳洲，妳能不能說得具體些？
You said you went to Australia. Can you put it more specific?
5.這種靴子我得朋友只付了二十美元，可妳向我索價三十美元，這個差價怎麽解決？
My fried only paid 20 dollars for the boots. But you charge 30 dollars to me. How do you want to settle the price difference?
七.
1.妳知道黃河發源於何處嗎?(source)
DO you know the source of the Yellow River?
2.妳經常曠課，妳能想得出有什麽理由解釋嗎？（think of）
Can you think of any excuses for your abcence from class?
3.要求不要太高。不然，妳將什麽也得不到。
（demand）
Don't demand much ,or you will get nothing.
4.明天出去參加會議時，妳提醒我帶上那份材料。（remind...of...）
When we go to attend the meeing tommotrrow, remembe to remind me of taking the matereal.
5.小孩不乖時，別去理他，不久他就會不鬧了。（ignore）
"Ignore the child if he misbehaves, and he'll soon stop.