By 2025,scientists predict the world will have 7.8billion pe

By 2025,scientists predict the world will have 7.8billion pe By 2025,scientists predict the world will have 7.8 billion p 英语翻译Scientists have ways to predict when tornadoes will come the world population will past six billion by the end of the Scientists throughout the world have been dreaming _____ whe scientists have created the world's smallest "snowman",( )ab Swiss scientists have created the world's smallest electric By the year 2012,the world's population__seven billion,A may I predict by 2020,downtown Los Angeles will be one of the be With the population explosion,scientists will have to ____ n With the population explosion, scientists will have to _____ 英语翻译Scientists have learned a lot about the kinds of food pe