[-B32] It was not until the early years of the 19th century that _______ what heat was.A.man knew B.did man knew C.didn't man know D.did man know 翻译并分析
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![[-B32] It was not until the early years of the 19th century that _______ what heat was.A.man knew B.did man knew C.didn't man know D.did man know 翻译并分析](/uploads/image/z/7445598-6-8.jpg?t=%5B-B32%5D+It+was+not+until+the+early+years+of+the+19th+century+that+_______+what+heat+was.A.man+knew+B.did+man+knew+C.didn%27t+man+know+D.did+man+know+%E7%BF%BB%E8%AF%91%E5%B9%B6%E5%88%86%E6%9E%90)
[-B32] It was not until the early years of the 19th century that _______ what heat was.A.man knew B.did man knew C.didn't man know D.did man know 翻译并分析
[-B32] It was not until the early years of the 19th century that _______ what heat was.
A.man knew
B.did man knew
C.didn't man know
D.did man know
翻译并分析
[-B32] It was not until the early years of the 19th century that _______ what heat was.A.man knew B.did man knew C.didn't man know D.did man know 翻译并分析
人们直到十九世纪初期才知道暖气是什么.
因为前面有了一个that,后面要加完整句子,后面的选项只适用于没有that的情况下.
如果没有that,那么not until 后面要谓语前置,而直到才,not until .did .do 则应该选D
人们一直到十九世纪初叶,才明白热量的真相。
直到19世纪初期,人们才知道什么是热量
直到19世纪早期,人们才知道热度是什么。
that后面接的是宾语从句,从句正常的结构应该是主语加谓语。除了A是这种正常语序,其他以DID开头的语序都是不对的。
A
解析:强调“not...unti...”引导的时间状语时,要用it is /was not until ...that ...的结构,that 后面的句子要用肯定式,且用陈述语述。所以选择A
翻译:直到19世纪早期,人们才知道什么是热