机体杀伤病毒感染靶细胞的机制包括（） A.ADCC效应 B.CTL的直接杀伤作用 C 发布时间：2017-08-21 20:21 │ 来源：www.tikuol.com 题型：多项选择题 问题： 机体杀伤病毒感染靶细胞的机制包括（）A.ADCC效应B.CTL的直接杀伤作用C.补体介导的溶细胞作用D.巨噬细胞及细胞因子的作用E.NK细胞的杀伤作用
题型：多项选择题 阅读理解。 根据短文内容 ，从短文后的选项中选出能填入空白处的最佳答案，选项中有两项为多余选项。 If you want to keep fit, please refer to the following : 1. Move More Make it a rule to find ways to move your body. 1 Climb stairs instead of taking the elevator. Walk your dog, play with your kids. It doesn't have to be an hour in the gym or a 45-minute dance class. But that's great when you're up to it. At the same time , move more. 2. Quit Smoking Ever since 1960 when it was announced that smoking was harmful to health, Americans have been reducing their use of tobacco products. Just recently, we've seen more and more teens smoking. Could it be the Hollywood influence? 2 Take care! Warn your children against smoking. 3 While recent studies show a glass of wine or one drink a day can help protect against heart disease, more than that can cause other health problems such as liver and kidney (肝肾) disease and cancer. 3. Reduce Stress Easier said than done, stress comes in many ways. 4 Spend 30 minutes a day doing something you like such as walking on the beach or in a park, read a good book, visit a friend, listen to relaxing music, and watch a funny movie. 4. Protect Yourself From Pollution If you can't live in a smog-free environment , at least avoid smoke-filled rooms, 5 . Exercise indoors in air conditioning when air quality is good..A. Avoid Excessive Drinking B. There are many things you can do to move your arms and legs .C. Think carefully about what you will do. D. Exercise outside when the smog rating is low. E. It seems that the stars in every movie smoke cigarettes.F. Keep a Positive Mental Outlook.G. Some techniques given by experts are to think positive thoughts. 查看答案
