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问题 单项选择题

以下哪项措施可防治局麻药的毒性（）

A.局麻药剂量越大，效果越好

B.在局麻药溶液中不加用肾上腺素

C.用非抑制量的巴比妥类药物（1～2mg/kg）作为麻醉前用药

D.局麻药浓度越高，效果越好

E.警惕毒性反应的先驱症状

答案

参考答案：E

选择题

宋庆龄说：“孙中山和中 * * 党之间具有历史性的合作不是偶然的，它是当时国际局势和中国本身的内部条件造成的。”这里说的“内部条件”主要是指 [ ]

A．一战后，中国民族工业重新受到列强压迫

B．“打倒列强，除军阀”成为全国人民的共同心愿

C．中共总结了经验教训正在积极寻找同盟者

D．国民党是中国各政党中比较革命的民主派

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单项选择题

This is not a diet. It’s a simple way to lose weight. And you don’t even have to give up the food you love or join a gym. You just follow some habits that thin people have. Keep them, and you’ll become thin.
(1) Wake-up
When you wake up in the morning, sit up slowly without using your hands. With legs straight out, bend forward until you feel sore in your back. It will burn about 10 calories.
(2) Start with soup
When you have a meal, order a clear soup, and have it before having the main food. In this way, you’ll feel fuller, so you’ll eat less when the main food comes.
(3) An apple ( or more) a day
Apples are full of fiber and water, so your stomach will want less. The study shows that people who eat at least three apples a day lose weight.
(4) Stand up and walk around
Every time you use the mobile phone, stand up and walk around. Heavy people sit on average two and a half hours more each day than thin people. This skill is very important as standing up and walking around will burn 50 or more calories.
Use these skills, and you will have a big weight loss.

What’s the purpose of the passage

A．To give some advice on how to lose weight.

B．To advise people to eat apples every day.

C．To tell people how to enjoy a better life.

D．To advise people to give up bad habits.
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