患者女，52岁，因腹胀不适2个月，伴低热来院门诊，体检：一般状态尚可，巩膜轻度黄染，

单词拼写。

根据下列各句句意和空白之后的汉语提示词，在横线上写出对应单词的正确形式，每空只写一词。

1. We all hope those who are_______(遭受) from this disaster will be safe.

2. I am glad to accept your kind ________(邀请).

3. We should have a positive ________(态度) towards life.

4. We congratulated him ________(真诚地) on his success.

5. Price and _______(质量) are the two chief considerations for most of consumers.

6. The civilization of _______(古老的) Greece is famous in the world.

7. He is quite ________(熟悉) with this country because he has been here for ten years.

8. I burst into _______(笑声) when my brother walked in wearing his funny clothes.

9. The plane caused a ________(革命) in our way of traveling.

10. The only step between dream and _______(现实) is action!

地球是个大磁体，在赤道上，地磁场可以看成是沿南北方向的匀强磁场．如果赤道某处的磁感应强度大小为0.5×10^-4T，在赤道上有一根东西方向的直导线，长为20m，通有从东到西30A的电流，则求：

（1）地磁场对这根导线的作用力有多大？方向如何？

（2）通电直导线如果南北方向放置，则地磁场对这根导线的作用力有多大？

下列哪些是引起慢性肺心病肺动脉高压的因素

A．儿茶酚胺分泌增多

B．水、钠潴留使血容量增多

C．肺泡毛细血管床减少

D．红细胞增多

陈独秀说：“我们现在认定，只有这两位先生可以救治中国政治上、道德上、思想上的一切黑暗”。这两位先生是指[ ]

A．民主、科学    

B．科学、进化论    

C．民权、自由    

D．新道德、新文化

用万用表测电阻时不允许带电测量。