环氧树脂防腐涂料性能较好,为了改进其物理性能,应添加()作加强层。
A.玻璃纤维
B.棉布
C.麻丝
D.石棉
参考答案:A
根据中文提示完成下面的对话。
Zhang: Robot, 1_____________________________ (你会铺床吗?)
Robot: 2_____________________________ (不,我不会。)
John: Robot, Can you do the dishes?
Robot: Sorry, I can't.
Sarah: Robot, 3_____________________________ (你会摆餐桌吗?)
Robot: No, I can't.
Amy: What can you do?
Robot: I can play chess.
Chen: Great! 4_____________________________ (你会使用计算机吗?)
Robot: 5_____________________________ (是的,我会。) I am a computer.
引风机停运联锁?