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问题 选择题

含Ba（OH）2 17.1g的稀溶液与足量稀盐酸反应，放出11.46KJ热，表示该反应中和热的化学方程式正确的是（　　）

A．Ba（OH）2（aq）+2HCl（aq）=BaCl2（aq）+2H2O（l）△H=-114.6KJ/mol

B．Ba（OH）2（aq）+2HCl（aq）=BaCl2（aq）+2H2O（l）△H=+114.6KJ/mol

C．1/2Ba（OH）2（aq）+HCl（aq）=1/2BaCl2（aq）+H2O（g）△H=-57.3KJ/mol

D．1/2Ba（OH）2（aq）+HCl（aq）=1/2BaCl2（aq）+H2O（l）△H=+57.3KJ/mol

答案

答案：A

单项选择题

用止血带阻止毒物吸收的方法是：毒物由四肢局部进入体内时，可在肢体的伤口上端加（），以防止毒物自静脉或淋巴管弥散，止血带要每10－30分钟放松约1分钟。

A.尼龙绳

B.止血带

C.电线

D.木棍
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填空题

another; like; area; those; health; there; angry; sound; look; art; more; way
Why do so many people around the world love Chinese cooking In China, cooking is an (66) , just like music, dance and painting. However, there is (67) than just one kind of Chinese food. Different areas in China have special (68) of cooking because of the differences in weather and geography.
Traditional Chinese doctors believe we need a balance of yin and yang to be (69) Maybe you should eat yang foods, (70) beef when you feel weak or tired. And you should eat yin foods like tofu while you are too stressed out or (71) The Chinese believe people who eat a balanced diet should be healthier than (72) who only eat foods that taste good.
(73) is much more to Chinese food than just taste. Behind many dishes are traditions with deep meaning. One Chinese food tradition is to eat long noodles on your birthday as a symbol of long life. (74) traditional food, yuan xiao, suggests that a family will always stay together. On the Spring Festival, people often eat fish, because yu (75) like the word meaning "more than enough".
From north to south, east to west, people are sure to find some kind of Chinese food to suit their taste and interest.
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