Unit 4 SPACE EXPLORATION1．Courage is the light of adversity.勇气是处于逆境时的光芒。2．Heroes give courage to mortals, and courage makes them heroes.英雄给予凡人勇气，勇气使凡人成为英雄。3．A large number of people can be lost in the world because they lack a little courage.很多人会在尘世间迷茫，只因缺少一点儿勇气。4 ． If you don't even have the courage to face the loss, then you don't deserve anything.如果，你连面对失去的勇气都没有，那么，你不配得到什么。5．If you have the courage to start, you will have the pride of success.如果你具备了开始的勇气，就有了成功的豪情。6．A man's courage can bear all the burdens; his patience can bear most of the pain.人的勇气能承担一切重负；人的耐心能忍受大部分痛苦。I Look Up At The Starry SkyI look up at the starry skyWhich is so deep and vast.The neverending truthMakes me struggle to follow and quest it.I look up at the starry skyWhich is so solemn(庄严的), holy and pure.The severe and aweinspiring justiceMakes me filled with deep love and in awe of it.I look up at the starry skyWhich is so free and serene(平静的)．The broad bosomProvides the place where my soul rests and nestles to.I look up at the starry skyWhich is so marvelous and glorious.The eternal(不朽的) blazeKindles the flame of hope in my heartWhich resounds with spring thunder.The oddness of life in space never quite goes away. Here are some examples.First consider something as simple as sleep. Its position presents its own 1challenges. The main question is whether you want your arms inside or outside the sleeping bag.If you leave your arms out ，they float free in zero gravity, often giving a sleeping astronaut the look of a funny ballet(芭蕾)dancer. “I'm an inside guy ， ” Mike Hopkins says ， who returned from a...
