蛛网膜下腔出血
A．先发热后有意识障碍B．先有意识障碍然后发热C．意识障碍伴心动过缓D．意识障碍伴高血压E．意识障碍伴呼吸缓慢
参考答案：B
单词拼写。
1. It is the s ____ the two trucks collided.
2. Although Bill was going to the movies, he told Jack to the c____.
3. Do you remember the s_____in the play where Susan meets Alan for the first time?
4. In order to keep his money safe, he opened an _____( 帐户)with the bank.
5. With nothing to do, he just ____ ( 漫步) aboutevery day.
区别溶胶与真溶液和悬浮液最简单最灵敏的方法是（）
A.乳光计测定粒子浓度
B.观察丁达尔效应
C.超显微镜测定粒子大小
D.观察电位
