氢化亚铜（CuH）是一种不稳定物质，能在氯气中燃烧；也能与酸反应，用CuSO₄溶液和“某物质”在40﹣50℃时反应可产生它．下列有关叙述中错误的是（　　）

SiO₂+2C $\underset{\_}{\underset{\_}{高温}}$ Si+2CO↑．下列分析正确的是（   ）

阅读短文，回答问题。

    Hello. I'm Peter. I'm a pupil. I go to school and study the boring knowledge(知识) every day now. I hope our school will change in the future. Schools will be different then. They will be under the sea, on high mountains and even in space. Robots will help us find books in the library and do our homework at home. We will use computers in all our lessons. They will help us see dinosaurs and other interesting things. We will have lessons with students from other countries. We will do a lot of things online together. We won't carry books to school. All our books will be on a small computer.

所谓“供给侧改革”，就是强调要通过改革促进创新、提高生产效率和提高产品市场竞争力的方式来促进经济增长，而不是再靠“刺激政策”提升总需求的套路来促进经济增长。下列属于“供给侧改革”的是（  ）

①央行进一步下调住房公积金贷款利率，降低房贷成本②高效投入，培育有竞争力的新产业和新产品

③由“制造”到“智造”，推动中国制造业转型升级  ④重公平，养老制度并轨以缩小社会养老差距