安全评价包括哪儿种（）。 A.安全预评价 B.安全验收评价 C.安全现状综合评价 D

根据我国《反不正当竞争法》和相关法律关于诋毁商誉行为的规定，下列说法正确的是( )。

A．新闻单位被经营者唆使对其他经营者从事诋毁商誉行为的，可与经营者构成共同的不正当竞争行为
B．经营者通过新闻发布会形式发布影响其他同业经营者商誉的信息，只要该信息是真实的，不构成诋毁行为
C．诋毁行为只能是针对市场上某一特定竞争对手实施
D．经营者对其他竞争者进行诋毁，其主观心态既可以是故意，也可以是过失

一个工厂在若干个车间，今采用分层抽样方法从全厂某天的2048件产品中抽取一个容量为128的样本进行质量检查，若一车间这一天生产256件产品，则从该车间抽取的产品件数为（    ）。

患者女性，65岁。有肝硬化病史5年，因饮食不当出现呕血、黑便1天入院，呕吐暗红色液体3次，量约800ml，解黑便2次，量约500g。查体：体温37.8℃，脉搏120次/分，呼吸22次/分，血压85/60mmHg，神志萎靡，面色苍白，四肢湿冷，医嘱予以输血800ml。

该患者出血最可能的原因为（）。

A.胃溃疡

B.十二指肠球部溃疡

C.急性糜烂出血性胃炎

D.食管胃底静脉曲张破裂

E.胃癌

语法填空。

    阅读下面短文，按照句子结构的语法性和上下文连贯要求，在空格处填人一个适当的词

或使用括号中词语的正确形式填空。

      Long long ago, in a small and faraway village, there was a place known as the House of 1,000

Mirrors. A 1ittle happy dog learned of this place    1  decided to visit it.

      When he arrived, he bounced happily up the stairs to the doorway of the house. He looked through

the doorway   2    his tail wagging as fast as it could. To his great surprise, he found  3  staring at 1,000

other happy 1ittle dogs  4  (wag) their tails just as fast as his. He smiled a great smile, and   5  (answer)

with 1,000 great smiles. As he left the House, he thought to himself, "It is such a wonderful place  6   I

will come back to visit it often."

     In the same village,     7    little dog, who was not as happy as the first one, also decided to visit the

House. In a bad mood, he slowly climbed up the stairs and looked through the doorway   8   a smile.

When he saw the 1,000  9  (friend) dogs staring back at him, he shouted   10  (angry) at them and was

horrified to see 1,000 1ittle dogs shouting back at him in the same way. As he 1eft, he thought to himself,

" This is a horrible place, and I won't come back here any more.

      All the faces in the world are like mirrors. What kind of reflections do you see in the faces of the

people you meet?

危急遮断器不动作的原因有哪些？