题目

“人间四月芳菲尽。山寺桃花始盛开 ” 这句诗描写的是 ________ 对植物生长的影响。大量捕捉野生青蛙，会使有害昆虫失去天敌而大量繁殖，破坏了 ________ ，直接导致粮食减产。 答案：气温生态平衡 【解析】 【分析】 1、环境中影响生物生活的各种因素叫环境因素，分为非生物因素和生物因素。非生物因素包括：光、温度、水、空气、土壤等．生物因素是指环境中影响某种生物个体生活的其他所生物。 2、在生态系统中，各种生物的数量虽然在不断地变化着，但是在一般情况下，If you want to keep fit, please refer to the following:    Move More    Make it a daily 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.    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. Reduce Stress Easier said than done, stress comes in many ways.  4.   Spend 30 minutes a day doing something you like such as walk on the beach or in a park, read a good book, visit a friend, listen to relaxing music, and watch a funny movie. 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.