1.(2020·天津卷) Loneliness is a serious social problem that can contribute to depression and even crimes.vi.导致
2.(2016·全国卷Ⅲ)One of the very best varieties for eating quality is Orleans Reinette,but you'll need a warm,sheltered place with perfect soil to grow it...adj.受庇护的
3.(2016·江苏卷)...the Internet is expanding the range of my own social prosthetic systems.v. 使……变大;扩大