问题 单项选择题

柴油机运转中,由于各道主轴承磨损程度不同,引起曲轴()。

A.变形

B.整体变形

C.局部变形

D.整体与局部变形

答案

参考答案:D

写作题

书面表达。

     假定你是西大附中学生李华。在一位名叫Mrs. Worried的学生家长的微博上,你看到如下内容:

     I am the mother of a sixteen-year-old boy. Recently my son has become very interested in video

games and spent a lot of time on it. I am very worried about the negative effects on him. I really

don't know what to do. Can anybody help me?

     请给这位家长写一封信。

     要求包括以下要点: 1.自己的看法;2.陈述理由;3.提出建议。

     要求: 1. 词数100左右(文章的开头和结尾已写好,不计入总词数);

                 2.  可适当发挥,以使行文连贯。

Hi, Mrs. Worried,

     From what you said, I know that you are quite worried about the bad effects of video games. 

________________________________________________________________________________________

________________________________________________________________________________________

     Best wishes,

                                                                                                                    Yours sincerely,

                                                                                                                          Li Hua

多项选择题