34. For social robots to work successfully, they have to (accept)by humans.
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35. The company has taken several steps to speed up the (move)of goods from the seller to the customer.
更换新过滤器时,密封胶带在过滤器进出口上是逆时针缠绕,并留有一到两个螺纹不要缠到。
A. 对
B. 错
更换过滤器,拆旧的过滤器时要先拆卸出口的接头,安装新的过滤器时,要先安装入口的接头;确保入口的接头不受任何污染
A. 对
B. 错