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，并在答题卡上将该项涂黑。选项中有两项为多余选项。 Being organized is an important skill for school and life．When you're well organized, you can stay focused，instead of spending time hunting things down． For schoolwork, it means having one notebook or place where you store all your assignment，so you know what you have to do and when. Keeping all your school work neat and in a specific place—these are the main parts of organization. For home stuff, being organized means havin在下列各项中，植物起到维持大气中二氧化碳和氧平衡作用的是A．呼吸作用B．光合作用C．蒸腾作用D．吸收作用