问题
单项选择题
关于痛阈，下列说法哪项不正确
A．痛阈是能引起疼痛的刺激的最低强度
B．痛阈有很强的个体差异性
C．兴奋性低的组织，痛阈就高
D．一个人的痛阈是固有的，不变的
E．同一组织在不同条件下，刺激的阈值不同
答案
参考答案：D
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关于痛阈，下列说法哪项不正确
A．痛阈是能引起疼痛的刺激的最低强度
B．痛阈有很强的个体差异性
C．兴奋性低的组织，痛阈就高
D．一个人的痛阈是固有的，不变的
E．同一组织在不同条件下，刺激的阈值不同
参考答案：D
任务型阅读 There are many things you can do to improve your memory(记忆力). Among them are many kinds of useful ways are well as taking special care of your health. It is important that you make yourself excited to make your memory more active. You can do this by doing some new activities and by changing your daily habits（习惯）. Learning a new skill helps your brain（大脑）to develop. When trying to remember something, you should pay special attention to the most important things about it .Do not allow other thoughts to enter your mind because this will reduce your chances of making right memories. An excellent way to help memory is to connect information with pictures. Try to see the pictures in your mind. Taking notes and keeping a diary will also be helpful. Healthy food and plenty of vitamins are necessary for your memory to work well. Drinking a lot of water also helps keep your memory. You must allow your brain to have enough sleep and rest. When you are asleep, your brain stores memory. Not enough sleep can cause problems with storing information .And being tired will also stop you from being able to think clearly and well. In order to keep your mind on your work, you must be free from worry. Generally keeping fit and normal health checks are both important as well-not just for improving your memory.
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