问题 单项选择题

装用废气再循环装置是为了()

A、提高进气量

B、降低NOx的排放

C、减少燃油消耗

D、提高动力性

答案

参考答案:B

写句子

按要求写句子。   

1.詹天佑是我国杰出的爱国工程师。(缩句)     

                                                                                                                                                    

2.从田忌赛马这个故事中,使我认识到遇事要多动脑筋想办法。(修改病句)

                                                                                                                                                   

3.凡卡在信中说:“我没爹没娘,只有您一个亲人了。”(改为第三人称叙述)

                                                                                                                                                    

4.书籍就像高山上的风景,只有不怕艰险的人,才能观赏到它美丽的风光。(仿写)

                                                                                                                                                   

判断题