目前,转基因技术已被列为影响未来全球经济的第三大技术,而我国转基因领域鲜有重大科研突破。加之,转基因作物违规种植等事件的曝光,以及“转基因食品不安全”等传言的盛行,使转基因产品备受公众质疑。2015年,中央一号文件首次明确提出,要加强农业转基因生物技术研究、安全管理、科学普及。下列举措符合中央这一要求的是①增加研发投入,提高创新能力 ②加强市场监管,规范市场秩序③打造知名品牌,开拓国内市场 ④扩大广告宣传,统一消费行为A①② B.①③ C.②④ D.③④
— I have great _______ in learning Maths and I’m so worried. Could you help me? — Sure. I’ll be glad to.
— Excuse me. Could you tell me _______? — It will leave at 4:00 p.m.
— I’m sorry I _______ my English book at home. — That’s all right. Don’t forget to bring it next time.
— Do you know the people _______ came to the party yesterday? — No, I know none of them.
— Does Tommy love taking exercise every day? — Yes. He goes jogging every day _______ it rains or snows heavily.