题目

— Where did you go last Sunday, Jerry?                — I went to my aunt’s farm and ______ corn with her.        A. ate                           B. bought        C. grew                        D. tasted 答案：C（2015•黑龙江）下列哪项措施是为了提高农作物的光合作用效率（ ）A．松土排涝 B．合理密植 C．带土移栽 D．地膜覆盖