题目内容：

It is always interesting to visit another country, especially for those who have never traveled abroad. Foreign______can be educational for anyone ______he is interested enough to make preparations beforehand. Learning the______of a new country would be difficult for the traveler, but the benefits(好处)of such an effort would become clear at once______his arrival. It may not seem______to him when he comfortably stays at home, but knowing how to order a meal or rent a room is necessary for the newcomer in a strange place. Without knowing the language, it is very difficult for the stranger to understand the people of the new country and their customs. Of course, in our small world,   __ is often possible to find someone who understands our own language, but this is only second-best for the traveler. To be sure, he can see places and things without the______of a language, but places and things are not the _____of any country. To get the greatest benefit_______a trip to another country, it is_______important for the visitor to have an understanding of the language.

1.A. travel    B. country    C. language    D. people

2.A. unless    B. if    C. although    D. so

3.A. knowledge    B. language    C. speech    D. words

4.A. after    B. before    C. for    D. at

5.A. difficult    B. strange    C. wonderful    D. important

6.A. where    B. which    C. that    D. it

7.A. use    B. speaking    C. writing    D. learning

8.A. mind    B. head    C. heart    D. matter

9.A. from    B. in    C. at    D. to

10.A. much    B. indeed    C. also    D. finally