【单选题】We can have _______ bluer sky if we create _______ less polluted world. [ ]
【单选题】With the world _____ fast, we have something new to deal with all by ourselves every day.
【单选题】利用人工去除母本植株的雄穗或雄花,使母本雌蕊(雌花)接受父本的花粉而产生杂交种子的方法,叫( )。
【判断题】家庭咨询是全科医生针对家庭患病成员开展的重要工作。
【单选题】We have ____ friendly relations with many countries in the world.
【单选题】We have fulfilled promise we made to the world: The Beijing Olympic Games would be green sports event. [ ]