严重腹泻引起的休克属于
A. 低血容量性休克
B. 血管源性休克
C. 心源性休克
D. 以上都是
E. 以上都不是
神经源性休克属于
A. 低血容量性休克
B. 血管源性休克
C. 心源性休克
D. 以上都是
E. 以上都不是
What is happening to newspaers?
A. They are cheaper than they used to be.
B. They are makin g more money from advertisements.
C. Fewer readers mean fewer advertisements.
D. They are losing readers because there are f ewer advertisements.
What do we learn about advertising online?
A. There are a lot more opportunities for advertisements.
B. The advertisements are more successful.
C. It's expensive to advertise online.
D. The advertisements can be changed very quickly.
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