there is white clond on mars的意思

NOVA IS THERE LIFE ON MARS怎么样 On Mars,there is no pollution ___ by traffic.A is caused B c 1.There is no ____ on Mars,____ is known to all. There is not any water on Mars now becouse it is too c____ b Mars的意思 There _____sign of life on Mars. Most scientists believe that there is no life on Mars as c__ Some scientists think there is water on Mars.(改为否定句） Is there life on Mars(火星)?We do not know.We are sure that ea Starting with the ___ that there is life on the planet Mars, We haven't known ____ there is life on Mars.A.that B.if C.wh 英语翻译The question whether there is life on Mars (火星) has made