着床前的胚胎易发生（） A.生长迟缓 B.受精卵死亡 C.致畸作用 D.母体毒性 E

Sometime in February, my teacher told us about the city speech contest, its topic was “People who have overcome difficulties in their lives”. I thought of my grandma would be my perfect topic. Then I carefully prepared for contest. A couple of weeks later, after the first round I was choosing to be one of the seven finalists! The final was held soon. I was the sixth to presenting the speech. How a relief when I finished it! After the last person finished, the judge made their final decisions and announced that I have won first prize. The audience were going wildly clapping and cheering! I was extremely happy. It was such exciting a moment that I will always remember it.

可以对大规模的应聘者同时进行筛选，效率较高的招募方式是( )。

A．面试

B．笔试

C．调查

D．档案

从1840年——1901年短短几十年间，西方列强先后发动了四次侵华战争。签订了一系列不平等条约，清政府完全成为帝国主义统治中国得工具，中国逐步沦陷为半殖民地半封建社会得深渊。

请回答：

（1）清政府与西方列强之间进行得第一次较量是哪次战争？结果怎样？

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（2）中国近代史上第一个不平等条约是什么？赔款最多的条约是什么？割地最多的条约是什么？

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（3）在这部屈辱史中，作为一个爱国者，你看到的清政府的本质是什么？

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采用辐射供冷时，辐射表面温度应高于：

A．室内空气湿球温度
B．室内空气露点温度
C．室外空气湿球温度
D．室外空气露点温度

100％有效的检验方法是（）

A.100%的检验（全检）

B.由不同检验员进行多次的检验

C.以MIL-STD-105E或GB2828为基准的检验系统

D.以自动测试机执行的检验

E.没有100%有效的检验方法