第19题: [单项选择]You had better ______ to your boss immediately, in order that he won't feel worried. A. to report B. reporting C. reported D. report 参考答案:D 答案解析:[译文] 你最好立即向老板报告,免得他担心。 [解析] had better“最好……”,后跟动词原型。
第20题: [单项选择]What is the name of the area which lies between the Rocky Mountains and the Appalachians 参考答案:B 答案解析:本题考查美国地理知识。在阿巴拉契亚(Appalachians)和西部落基山脉(the Rocky Mountains)之间是一个广阔的大平原,面积占美国全部领土的1/2。大平原地势平坦,土壤肥沃,有密