Question

1. There are a lot of computers in the lab,and they need professional        to make sure they can be in a good state.

   A. adaptation   B. maintenance

   C. satisfaction   D. advice

Answer 1

1. B句意为："实验室里有很多电脑，它们需要专业的维护来确保正常运行"。 adaptation意为"适应;改编"；maintenance意为"维护，保持，维修"；satisfaction意为"满意"。因此只有B选项符合题意。