33. With the work (do), these scientists began to plan another research project.
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34. For social robots to work successfully, they have to (accept)by humans.
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
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