31. The oceans do not so much divide the world as unite it。

　　32. There is no denying the fact that the new management method has greatly increased the production。

　　33. There is no denying the fact that the new management method has greatly increased the production。

　　34. Upon hearing the unexpected news, he was so surprised that he couldn't utter a word.

　　35. As the saying goes, nothing in the world is difficult for one who sets his mind to it.

　　36. Our goal must be attained. Our goal can unquestionably be attained。

　　37. Noting can prevent us from realizing the four modernizations。

　　38. Now in China, more and more families can afford to buy high-grade goods, such as washing machines, TV sets, videocorders。

　　39. No matter how difficult English may be, you should do your best to learn it。

　　40. It can be said that without knowledge of science and technology, it is impossible to build socialist modernizations。