[D41] It has been proved ______ eating vegetables in childhood helps to protect youagainst serious illness in later life.A.if B.because C.when D.what请翻译,并分析.
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![[D41] It has been proved ______ eating vegetables in childhood helps to protect youagainst serious illness in later life.A.if B.because C.when D.what请翻译,并分析.](/uploads/image/z/13501242-18-2.jpg?t=%5BD41%5D+It+has+been+proved+______+eating+vegetables+in+childhood+helps+to+protect+youagainst+serious+illness+in+later+life.A.if+B.because+C.when+D.what%E8%AF%B7%E7%BF%BB%E8%AF%91%2C%E5%B9%B6%E5%88%86%E6%9E%90.)
[D41] It has been proved ______ eating vegetables in childhood helps to protect youagainst serious illness in later life.A.if B.because C.when D.what请翻译,并分析.
[D41] It has been proved ______ eating vegetables in childhood helps to protect you
against serious illness in later life.
A.if B.because C.when D.what
请翻译,并分析.
[D41] It has been proved ______ eating vegetables in childhood helps to protect youagainst serious illness in later life.A.if B.because C.when D.what请翻译,并分析.
答案的确是that,估计是楼主打错答案了.
翻译:已经证实,儿童时期食用蔬菜有助于保护你免受后期生活中重大疾病的侵扰.
1.此句中,it为句子的形式主语,而proved后面的从句才是该句的真正主语,即为主语从句.
该主语从句中,eating vegetables in childhood helps to protect you against serious illness in later life并不缺少任何成分,所以只需用that引导即可.
2.if/because都不能用于引导主语从句,排除AB;
when表示从句缺少时间状语,what表明从句缺少表sth的主语/宾语等,都不对.
应该是that