10．Organic farming is simply farming without using any chemicals．They ______ ______ (集中于) keeping their soil rich and free from disease.

9．T_______ ______　 his research, the UN has more tools in the battle to rid the world of hunger.

8．Classes or other large groups that let Futuroscope know their plan ______ _______(提前，预先)can get the group admission rate.

7．There are _____________ (vary) kinds of theme parks, with a different park for almost everything.

6．With all these ________________(attract), no wonder tourism is increasing wherever there is a Disneyland.

5．The most universal facial expression is, of course, the smile---its function is to show happiness and put people __________ _________(舒适，自然 )

4．Yesterday, another student and I, _____________ (represent) our university’s student association, went to the Capital International Airport to meet this year’s international students．

3．In ______________(总的来说), though, studying international customs can certainly help avoid difficulties in today’s world of cultural crossroads.

2．The tramp, a poor, _____________(home) man with a moustache, wore large trousers worn-out shoes and a small round black hat.

请根据句子的逻辑含义，所给的单词或短语的首字母提示、所给中文提示或用所给词的正确形式完成句子，把完整的单词或短语写在答题卷相应的空格上。

1．Unfortunately, Charlie’s father died, leaving the family even ______________(badly off).