题干

人体的渴觉中枢、渗透压感受器、血糖调节中枢、体温调节中枢分别位于   

A:大脑皮层、下丘脑、下丘脑、大脑皮层

B:下丘脑、下丘脑、下丘脑、下丘脑

C:脊髓、下丘脑、大脑皮层、下丘脑

D:大脑皮层、下丘脑、下丘脑、下丘脑

上一题 下一题 0.0难度 选择题 更新时间:2019-06-07 02:09:45

答案(点此获取答案解析)

D

同类题5

根据短文内容,选择正确答案。

                                                                                               C

    As you touch people and objects throughout the day, there are germs(细菌) on your hands. In turn, you can make yourself ill with these germs by touching your eyes, nose or mouth. Although it's impossible to keep your hands germ-free, washing your hands is good for you. It limits the chance of getting sick and is one of the best ways to avoid(避免) getting sick and spreading illness. Staying healthy can make you feel happier.

    Hand washing requires only soap and water, but do you really know when and how to wash your hands? The following information may be useful for you.

    When to wash your hands

    Always wash your hands before:

    ▲Preparing food

    ▲Eating

    ▲Giving medicine

    ▲Touching a sick or injured person Always wash your hands after:

    ▲Preparing food

    ▲Using the toilet

    ▲Touching an animal or animal toys or waste

    ▲Touching a sick or injured person

    Of course, it's also important to wash your hands whenever they look dirty.

    How to wash your hands

    It's generally best to wash your hands with soap and water. Follow these simple steps:

    ▲Wet your hands with running water.

    ▲Use soap.

    ▲Wash your hands for at least 20 seconds. Remember to wash the hands carefully, including the backs of your hands, wrists, fingers and fingernails.

    ▲Dry your hands with a clean towel.