问题补充:
单选题Theworld’spopulationisgettinglargerandlarger,soscientistswillhaveto______newwaystosolvefoodproblem.A.catch up withB.keep up e up withD.make up with
答案:
C解析词义辨析。catch up with跟上;keep up with赶上;come up with想出;make up with与……和解。句意:世界人口越来越多,所以科学家们不得不想出新方法来解决食物问题。所以选C。