第14题: [单项选择]How did the woman feel about the show A. Families with cars. B. American’s heavy dependence on cars. C. Roads and highways. D. Traffic problems in Americ 参考答案:B 答案解析:[听力原文] M: You Americans are funny. It seems as if you are married to your cars. W: Yeah , I gu
第30题: [单项选择]指令周期是指( )。 A. 取指令时间 B. 取操作数时间 C. 取指令和执行指令时间 D. 存储操作结果时间 参考答案:C
第31题: [单项选择]That war ______ 2 years. A. stayed B. finished C. lasted D. completed 参考答案:C 答案解析:战争持续了两年。stay意为“停留”；finish意为“完成”；complete意为“结束”；last意为“持续”，符合题意。
第32题: [多项选择]动铁心式弧焊变压器的型号是（） A. BX3—120 B. BX3—400 C. BX1—135 D. BX1—330 参考答案:C, D
