题目

President Xi Jinping calls on Chinese people to ________ all the food each meal.A. eat up B. use upC. pick up D. cut up 答案：【答案】A【解析】句意：习.平主席号召中国人每顿饭吃光所有的食物。A. eat up吃光；B. use up用完；C. pick up捡起；D. cut up切碎。结合句意可知，答案为A。在眼球结构中物像形成于（　　）A.角膜B.视网膜C.晶状体D.脉络膜