湿式破碎
参考答案:
湿式破碎是由从废纸中回收纸浆为目的发展起来的。是利用特制的破碎机将投入机内的含纸垃圾和大量水流一起剧烈搅拌和破碎成为浆液的过程,从而可以回收垃圾中的纸纤维。
按要求完成下列句子。
1.They played some games after lunch.(对画线部分提问)
after lunch?
2.It's a quarter to ten. It's time for cartoons.(改为近义句)
It's nine . It's time cartoons.
3.Pass the ball to him.(改为否定句)
the ball to him.
4.She saw the film last year.(就画线部分提问)
she the film?
5.The station is about 6 kilometers away from our school.(就画线部分提问)
is the station from your school?
6.She is going to buy a new hat, because her hat is too old.(就画线部分提问)
she going to a new hat?
下列光路图中,正确表示了光从空气进入水中的是
A B C D