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【简答题】
I worked for a short time as a cashier( 出纳员 ) at a restaurant a few months ago. I also helped to clean up the tables when it was very busy. One night, just before Christmas, I found a large black wallet on the floor near one of the tables. I guessed I should check it to find out who was the owner, but I was very busy at the time. And I imagined that if there was something valuable( 有价值的 ) in the wallet, the owner would be back. Sure enough, an hour later a man came up to the counter and asked if anyone had found a wallet. I asked him to describe the lost wallet, and after he described it exactly, I gave him the wallet. He expressed his thanks when I handed it to him. He asked me if I had opened it, and when I told him “no”. At once he opened it and showed that it had nearly $ 800 in cash( 现金 ). He took out a twenty-dollar bill and handed it to me and I was amazed at this. “A reward( 酬劳 ) for your honesty,” he said and then turned and walked away. Thinking about it later, I began wondering whether I would have been honest if I had known what was in the wallet! I thought that if I had no way to find the owner and no one returned to get it, I might keep it. But it also came into my mind that I actually saved someone’s Christmas plans by finding and returning the wallet. The good feeling it gave me was worth more than anything could buy.
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【多选题】系统的动态结构图由( )四种基本符号组成。
A.
信号线
B.
综合点
C.
方框
D.
引出点
【单选题】系统的动态结构图由若干基本符号构成。构成动态结构图的基本符号有四种,即( )。 (B) (D)
A.
连接线、传递方框、综合点和引出点
B.
信号线、传递方框、综合点和引出点
C.
信号线、传递方框、反馈点和引出点
D.
信号线、传递方框、综合点和输出点
【多选题】构成动态结构图的基本符号有()?
A.
信号线
B.
引出点
C.
综合点
D.
功能框
【简答题】系统的动态结构图一般由四种基本符号构成,即信号线、()、方框和引出点。
【多选题】构成动态结构图的基本符号有下列几种,即 。
A.
信号线
B.
传递方框
C.
综合点
D.
引出点
【单选题】系统的动态结构图由若干基本符号构成。构成动态结构图的基本符号有四种,即( )。
A.
连接线、传递方框、综合点和引出点
B.
信号线、传递方框、综合点和引出点
C.
信号线、传递方框、反馈点和引出点
D.
信号线、传递方框、综合点和输出点
【多选题】动态结构图由以下几种符号组成()
A.
信号线
B.
分支点
C.
相加点
D.
方框
【单选题】妊娠期血容量增加达高峰的时间是妊娠:
A.
30~32周
B.
32~34周
C.
34~36周
D.
36~40周
E.
28~32周
【简答题】系统的动态结构图一般由四种基本符号构成,即信号线、()、方框和引出点。
【简答题】系统动态结构图由 种基本符号构成。
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