①直接经验比间接经验更有用

②参与社会实践可以促进知与行的统一

③直接经验是验证间接经验正确与否的标准

④认识的发展是一个实践与认识相互促进的过程

    In order to know a foreign language thoroughly, four things are necessary. Firstly, we must understand the language when we hear ____ spoken. Secondly, we must be able to speak it ourselves correctly with ____ (confident) and without hesitation. Thirdly, we must be able to read the language, and fourthly, we must be able to write it. We must be able to make sentences that are ____ (grammatical) correct.

    There is no easy way to success ____ language learning. ____ good memory is a great help, but it is not enough only ____(memorize) rules from a grammar book. It is not much use learning by heart long lists of words and ____ meanings, studying the dictionary and so on. We must learn by using the language. ____ we are satisfied with only a few rules we have memorized, we are not really learning the language. “Learn through use” is a good piece of advice for those ____ are studying a new language. Practice is important. We must practise speaking and ____(write) the language whenever we can.

花落谁家

发明    发现   可是   于是

①英国皇家学会知道了列文虎克的____，聘请他为皇家学会会员。

②现在我终于知道坦克是怎样____的了。

③孔子想：这位老人大概就是我要拜访的老师吧！____上前行礼。

④我想把小兴安岭的美丽风景画下来，____我的画笔不见了。