第4题: [单项选择]Regarded as a kind of art form, toys ______. A. follow a direct line of ascent B. also appeal greatly to adults C. are not characterized by technological progress D. reflect the pace of social progress 参考答案:C 答案解析:[解析] 事实细节题。[C]“不以技术进步为特点”与第四段第一句后半部分以及第三句后半部分的含义一致(technological progress同时和technological leaps,inve
第14题: [单项选择]A.There is enough spare time to fix the projector. B.There is another projector the man can use. C.The presentation can be given in another room. D.She is going out to order a spare projector. 参考答案:B 答案解析:[听力原文] M: This projector is out of order and I need it for my presentation. W: There’s a spare