1. 【答案】to get 【解析】Humans have spent billions of dollars trying to figure out(人类花费了数十亿美元试图弄清楚),根据所给词汇get(到达),以及空前how(如何),空后to Mars(去火星),可知此处为:“特殊疑问词+动词不定式”在句中作宾语,即how to get(如何到达),故答案为:to get。2. 【答案】...
"Each time we fly to Mars, we learn a little more and get a little smarter," said Walter Engelund of NASA's Langley Research Center. "One thing we have learned is that the Mars atmosphere is certainly a big variable. It is much more dynamic than our own Earth's atmosphere." You ma...
anything that has to do with the possible origins of life on another world is always the first among equals," Hubbard said. "It's such a fundamental question. It goes to this 'Are we alone?'
Why do you feel(不舒服的)?3. The(行星) Mars is considered to have air which is very similar to that on the Earth.4. We tried some(味道好的) food in Lianyungang.5. I want to(比较) my book with yours.6.Travel(增进) one's knowledge of the world.7. This kind of car is(专门...
What are two reasons why humans shouldn't go to Mars?Mars:Mars can be defined as a fourth planet from the Sun. It is the second smallest planet of the Solar system. Just like planet Earth, Mars has canyons, weather, volcanoes, and polar ice caps. It is also called "Red Planet"....
Besides,any progress we make in the fields of science,technology,medicine and health will do good to people here on Earth. Elon Musk, the CEO of Space X also believes we should colonize Mars. His long-term goal is to put one million people there if something bad happens to us here on...
have decided to do. As a popular saying goes,"Failure is the mother of success". Attitude (态度) decides everything. With an optimistic (乐观) attitude life is easy and pleasant. Let's smile to whatever we meet and the whole world will smile to us. 1. People sometimes complain ___...
Engineers say a nuclear thermal rocket could cut astronauts' travel time to Mars from nine months to two. Credit: NASA NASA and the U.S. military plan to test a nuclear-powered rocket engine in space as early as 2027, potentially revolutionizing how people travel the cosmos in the coming...
【题目】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选项。选项中有两项为多余选项。Why do som e peopl e hav e many friends
actually nice that the is less on the surface of mars. it's about one third, what we have here on earth and that makes it easier for the vehicle to actually get up off the surface. that makes it difficult for you here on this for here on earth though, because how do we test ...