题型：判断题 从方框内选择恰当的选项填入空格处。 A: Where do you come from? B: I was born (出生) in Paris, but now I live here. A: 1________ B: No, I don't. I live in a small town outside New York. A: Are you a student?B: Yes, I am. A: 2________ B: Yes, I can. A: 3________ B: Yes, I am American. A: Do you speak English at home?B: No, we don't. 4________ But my father speaks English very well. My mother's mother tongue (母语) is French. 5________ A: How does your grandfather communicate (交流) with English-speaking people?B: We are all his interpreters (翻译). A. Are you American? B. Do you live in New York? C. She speaks English and French. D. Because my grandfather doesn't know English. E. Can you speak French? 查看答案
题型：判断题 综合安全技术机械安全设计是指在机械设计阶段，从零件材料到零部件的合理形状和相对位置，从限制操纵力、运动件的质量和速度到减少噪声和振动，采用( )技术与动力源，应用零部件间的强制机械作用原理，履行安全结合人机工程学原则等多项措施，通过选用适当的设计结构，尽可能避免或减小危险。A．本质安全B．失效安全C．定位安全D．布置安全 查看答案
题型：判断题 在天津市南部地区发现的贝壳堤，是贝壳及碎屑物受潮水搬运，在海边经较长时期堆积而形成的垄岗，可以作为当时海岸线的标志。图1所示古海岸线分布地区地势的总体变化趋势是（）A、由东北向西南倾斜B、由西向东倾斜C、由西北向东南倾斜D、由北向南倾斜 查看答案
