Many scientists believe that intelligent life forms may exist on other planets and messages should be sent into space to contact these life forms. Other scientists think this is a bad idea because these life forms could be dangerous. Discuss both these views and give your own opinion. Give rea...
到2050年，交通运输将发生巨大的变化。With experimentation focused on self-driving cars already underway from car manufacturers such as Tesla, it is not much of a stretch to believe that by 2050, the technology for fully automated vehicles will exist.特斯拉等汽车制造商已经在进行自动驾驶汽车的试验，...
Many people have cars of their own,but parking___. 先理解再牢记 (1)exist in...存在于……之中 exist on...靠……为生 There exists...某地有……;存在…… (2)existencen.存在;生存 come into existence产生;成立;开始存在 (3)existingadj.现存的;现行的 [名师...
结合选项:A.Chaihasatalentforcalligraphyandpainting柴有书法和绘画的天赋;B.Chaihasauniqueloveforbicyclesmorethanothers柴比其他人更喜欢自行车;C.Chaiknewtheskilloflifewhenhewasveryyoung柴从小就懂得生活的本领;D.Chaimanagedtogethisfirstbicyclethroughallefforts柴竭尽全力终于得到了他的第一辆自行车。故选D。(2)...
Thanks to all the efforts and“crowd-funding” in his family, Chai got his first bike in 1980.After becoming a businessman years later and earning enough to buy fancy motorbikes and cars, Chai's passion for bikes, however, didn't dwindle at all. He began to collect bikes of various ...
8. How many species are there on Earth? 8.地球上有多少物种? 9. How do organisms evolve? 9.有机体是如何进化的? 10. Why did dinosaurs grow to be so big? 10.为什么恐龙长得如此之大? 11. Did ancient humans interbreed with other human-like ancestors?
单选题A generation ago, female faces were rare and, even today, visitors walking through the first floor of LeConte Hall will see a full corridor of exhibits ___ the many distinguished physicists who made history here, virtually all of them white males. A、...
A.The simple question about self-driving cars we still can't answer(关于自动驾驶汽车的简单问题,我们仍然无法回答);B.A golden opportunity for driverless cars we can't afford to miss(这是我们不能错过的无人驾驶汽车的黄金机会);C.Hidden secrets of self-driving cars we can't ...
a tiny portion of cars will fail quickly due to factory defects. Once a new car has shown that it is free of such defects, it is not expected to fail for many years. As the car ages, the probability of malfunction increases. By the time the curve slopes upwards, theuseful lifeperiod...
(Threat) How many competitors exist, and what is their market share? (Threat) Are there new regulations that potentially could harm our operations or products? Strengths 1. What is our competitive advantage? 2. What resources do we have?