1________ Sir 2________ Madam,

      I am a middle school student. I can 3________ some English. I can operate (操作) computer very

4________. I like shopping. I also like selling things 5________ people. I know something 6________ clothes

and fashion (时尚). I read fashion 7________ every week. And I want to learn more in your 8________ store.

I like busy jobs. I 9________ hard. I think I am a good person for the job as a sales 10________.

                                                                                                                                               Yours, 

                                                                                                                                                Sarah

在强度曲线图上，若吃水d的垂直线和水平线的交点处于点划线的下方，说明船舶受（）弯矩作用。

A．正

B．负

C．零

D．以上均可能