下列不属于影响商品质量变化内在因素的是（）。A.商品的性质 B.商品的化学成分 C.

在( )环节，应实现能量的梯级利用、资源的高效利用和循环利用，努力提高资源的产出效益。

A．资源消耗

B．资源开采

C．废弃物产生

D．社会消费

危险辨识、风险评价和风险控制策划应对所评价的风险进行合理的分级，确定不同风险的可承受性，以便在制定目标特别是制定()时予以侧重和考虑。

A．运行控制措施

B．初始评审方法

C．管理方案

D．应急预案

Like most people, I was brought up to look upon life as a getting. It was not until in my later thirties that I made this important discovery: giving-away makes life so much more exciting. One discovery I made about giving away is that it is almost impossible to give away anything in this world without getting something back, though the return often comes in an unexpected form. One Sunday morning the local post office delivered a letter to my home, though it was addressed to me at my office. I wrote the postmaster a note of appreciation. More than a year later I needed a post office box for4 a new business I was starting. I was told at the window that there were boxes left, and that my name would have to go on a long waiting list. As I was about to leave, the postmaster appeared in the doorway. He had overheard our conversation.“Wasn’t it you that wrote us a letter a year ago about delivering a special delivery to your home?”I said it was.“Well, you certainly are going to have a box in this post office if you have to make one for you. You don’t know what a letter like that means to us. We usually get nothing but complains.”

46.  At first the author looked upon life as a process of getting. He formed this view of life because

.

A．other people were selfish B．he thought it exciting to get from others

C．of his early education      D．of his character

47.  The author wrote a note of appreciation to the post office because       .

A．he knew what such a note would mean to the post office.

B．he had discovered giving-away made life all the more exciting

C．he believed he would get something back by doing so

D．the post man delivered an important letter in time

48.  When the author needed a post-office box.,       .

A．many had applied for post-office box before him

B．he asked to put his name on a waiting list

C．he tried to see the postmaster

D．he wrote the postmaster a note of appreciation

49.  The postmaster promised        .

A．to make a new post-office box for the author

B．to let the author have a post-office box

C．to include the author’s name on the list

D．to deliver the author’s mail to his home

50.  The postmaster interfered because      .

A．he overheard this conversation

B．he had received a lot of complaints for lack of post-office box

C．he was thankful for the letter the author had written

D．he was proud of their good service.

鱼鳞图册