Some diseases go round in one way,some in another. For example,the germs(病菌)that make you catch cold can travel from one person to another with a cough.They are breathed in with the air.That is why it is important to stay away from people when you have a cold. It is a good ide...
1. What infections diseases do you know?2. How do these diseases spread?3. What can we do to prevent their spread? 相关知识点: 试题来源: 解析 1. 常见的传染病包括流感、艾滋病、结核病、麻疹、腮腺炎、风疹、水痘、乙肝、丙肝、登革热、疟疾、寨卡病毒、埃博拉病毒、新型冠状病毒肺炎(COVID-19)等...
Those diseases have a larger potential for causing an epidemic.Answer and Explanation: Epidemics will sometimes occur when a contagious disease is easily spread, but they can be prevented from becoming more widespread by using a few...Become a member and unlock all Study Answers Start today. Try...
Of course, you can protect ___ from viruses such as the flu by washing your hands. Over eighty percent of viruses are spread by touching an infected person or thing, so be sure to take care of yourself and stay healthy.【小题1
stress is necessary.Without stress, we would never learn anything or grow or change.We would probably be bored to death.But too much stress can hurt you.It can weaken your body’s protection so that you are more likely to catch diseases.It can even make you more likely to have an accid...
It can cause lung cancer(肺癌) an d many other diseases.But how serious is the problem of second-han d smoke? The World Health Organization(WHO) di d a study of 194 countries. They foun d that second-han d smoke causes about 600,000 deaths every year. That is about1% of the worl...
Cardiovascular diseases such as hypertension, stroke, and heart attacks can be caused by many factors. Describe at least four factors that increase the risk of heart disease for a person. Explain how each factor increases the risk of cardiovascular disea ...
A. The serious aftershocks.B. The diseases after earthquake. C. The continuous falling rocks.D. The low construction quality. 23. What can we learn about the earthquake that hit Haiti? A. It had many secondary disasters.B...
COVID-19 is a reminder of their destructive power, but they’re crucial to humans’ development and survival.
, body fat carried around the waist area and high insulin levels. Impotence may also be caused by diseases that affect blood flow, such as atherosclerosis, which is caused by a hardening of the arteries; venous leakage, which is also known as weak veins; as well as by nerve diseases....