题目

   Scientists are debating how to limit their newly-discovered power to change genetic structure. Scientists already modify the genes of farm animals and agricultural plants to make them more productive or stronger. But now they can also change genes in wild animals and plants. These genes would continue into later generations. For example, it may be possible for scientists to remove from existence the kind of mosquitoes that carry the Zika virus. They might also be able to permanently remove species of plants and animals that are destructive to other species.      In a report pub化学在生产和日常生活中有着重要的应用。下列说法不正确的是 [     ]A．明矾水解形成的Al(OH)3胶体能吸附水中悬浮物，可用于水的净化B．在海轮外壳上镶入锌块，可减缓船体的腐蚀速率C．MgO的熔点很高，可用于制作耐高温材料 D．电解MgCl2饱和溶液，可制得金属镁