阿联酋发明“人造雨”技术,人工制造出大量负离子,自动依附尘埃,在太阳光产生的强热上升气流作用下,携带含有负离子的尘埃粒子上升到了云层,吸收空气中的水分子,凝结成水滴,无数的水滴最终会变成云,进而化作雨滴落到地面,这一发明,表明①人工制造负离子是对尘埃的辩证否定②人们通过实践可以超越和主宰自然界③人们可以改造规律发生作用的条件和形式④人们可以按照实践的需要,建立新的联系
—Why did you plant so many trees? — ______ the environment.
—Can we finish the work with ______ money and ______ people? —I'm afraid it's impossible.
—Computer is so useful. It can do almost everything. —Yes, but it ______ what to do.
That building is now a supermarket. It ______ a cinema.
I don't usually like staying at ______ hotels, but last summer we spent a few days at ______ very nice hotel by the sea.