题目

Two years ago, Microsoft sank a data centre off the coast of Orkney in a wild experiment. That data centre has now been retrieved from the ocean floor, and Microsoft researchers are assessing how it has performed, and what they can learn from it about energy efficiency. Their first conclusion is that the container packed with servers（服务器）had a lower failure rate than a conventional data centre. When the container was pulled out of the seabed around half a mile offshore after being placed there in May 2018, just 8 out of the 855 servers on board had failed, which compares very well wi下列晶体熔化时不需要破坏化学键的是 A、晶体硅         B 、食盐         C 、干冰        D 、金属钾