Question

Many years of hard work_______ his great success in the development of this new type of material.

A．due to

B．thanks to

C．contributed to

D．looked into

Answer 1

C

本題考查詞義、詞性。本句缺少謂語(yǔ)，應(yīng)選動(dòng)詞。A項(xiàng)和B項(xiàng)意思都是“由于，因?yàn)椤�，皆為介詞，故可排除；D項(xiàng)意為“調(diào)查，往里看”，語(yǔ)意不通；C項(xiàng)意思是“對(duì)……有貢獻(xiàn)，有助于……”,故C項(xiàng)為正確答案。整句意為“這種新型材料的研發(fā)之所以能取得巨大成功得益于他多年的辛苦工作”。