采用时间表方法调度时钟级程序时，被调度的程序的执行周期由（）决定。A.时钟中断的周期

财务会计报告的责任主体须在财务会计报告上（）。

A.签名

B.盖章

C.签名或盖章

D.签名并盖章

There are many kinds of friends. Some are always (1) you, but don’t understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only (2) friends leave footprints.

I shall always recall the autumn and the girl with the (3) . She will always bring back the friendship between us. I know she will always be my best friend.

It was the golden season. I could see the yellow leaves (4) with the cool (5) . In such a season, I liked walking alone on the roads covered with leaves, (6) to the sound of them.

Autumn is a (7) season and life is uninteresting. The free clays always get me (8) . But one day, the sound of a violin (9) into my ears like a stream flowing in them ountains. I was so surprised that I jumped to see what it was. A young girl, standing in the wind, was (10) in playing her violin.

I had (11) seen her before. The music was so nice that I listened quietly. Lost in the music, I didn’t know that I had been (12) there for so long but my existence did not seem to disturb her.

Leaves were still falling. Every day she played the violin at the comer of the building (13) I went downstairs to watch her performance. I was the only listener. The autumn seemed no longer lonely and life became (14) . (15) we didn’t know each other, I thought we were already good friends. I believe she also loved me.

Autumn was nearly over. One day, when I was listening carefully, the sound suddenly (16) . To my astonishment, the girl came over to me.

"You must like music from the violin. " she said.

"Yes. And you play very well. Why did you stop" I asked.

Suddenly, a (17) expression appeared on her face and I could feel something unusual.

"I came here to see my grandmother, but now I must leave. I once played very badly. It was your listening every day that (18) me." she said.

"In fact, it was your playing (19) gave me a meaningful autumn," I answered, "Let’s be friends. "

The girl smiled, and so did I. I never heard her play again in my life. I no longer went downstairs to listen to her. Only thick leaves were left behind. But I will always remember the fine figure of the girl. She is like a (20) —so short, so bright, like a shooting star giving off so much light that makes the autumn beautiful.

20().

A．song

B．dream

C．fire

D．sister

肺炎球菌肺炎的铁锈痰成因是（）

A.痰内混有大量肺泡巨噬细胞

B.痰内有大量红细胞

C.红细胞破坏后释放含铁血黄素所致

D.是纤维蛋白和红细胞结合的产物

E.以上都不是

甲精密模具厂与乙加工厂签订了一份买卖合同，合同约定：甲模具厂销售50套模具给乙加工厂，订立合同后10天内送货上门，总价款为50万元，由乙加工厂在收到货后分 5个月付清，每月支付10万元。合同签订后，乙厂又提出为谨慎起见，先交一套模具由乙厂试用一个月，试用满意后再购买，同时送货日期顺延。甲厂所交付的其他模具必须以该模具为准。甲模具厂表示同意并交付了试用模具。一个月后，甲厂电话询问乙厂是否购买，乙厂未作明确回答。甲厂打了几次电话均是如此。甲厂便自行雇车将模具给乙厂送去。乙厂收到后，发现多了2套，但未告知甲厂，然后将多出的2套模具租给丙公司使用。2个月后，甲厂发现多送了2套模具，而这时模具价格上扬，甲厂便要求乙厂按现行价格支付2套模具价款；如按原来的价格结算，乙厂因出租而得到的租赁费应归甲厂所有。乙厂不同意，双方诉诸法院。请根据有关法律回答：

假设甲厂送货1个月后，请求乙厂支付10万元的货款，乙厂推托说资金周转困难而拒付，甲厂可采取什么救济手段为什么

CENTUM CS3000系统中，现场控制站（FCU）的类型有（）。

A.KFCS型

B.LFCS型

C.SFCS型

D.以上三项