【判断题】(高中Unit 7)判断下面的译文是否正确。Watching television for more than two hours per day at young age can lead to learning difficulties.译文: 小朋友每天看两小时电视会导致学习障碍。
【多选题】伺服驱动系统按控制原理:()、()和()等伺服系统;
【判断题】(高中Unit 7)判断下面的译文是否正确。Advanced countries have repalced traditional dangers to health with new ones and these are often more different to cure.译文:在发达国家,新的威胁健康的因素替代了过去的因素,而这些会更加难以治愈。
【判断题】(高中Unit 7)判断下面的译文是否正确。One of the greatest achievements of the later 20th century was a huge increase in life expectancy throught the developed world.译文:20世纪晚期的最大成就之一就是,发达国家人们的平均寿命明显增加了。
【判断题】(高中Unit 7)判断下面的译文是否正确。健身专家说每天20分钟的有氧运动足以改善你的健康状况。译文:Fitness expert say that just thirty minutes of exercise is to increase your health.