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Not until the early years of the 19th century _________ what heat is.A、man did k
Not until the early years of the 19th century _________ what heat is.A、man did k
游客
2023-10-16
9
管理
问题
Not until the early years of the 19th century _________ what heat is.
选项
A、man did know
B、man know
C、didn’t man know
D、did man know
答案
D
解析
本题为倒装句题。看到Not until…的的型,我们知道为倒装句,答案在C项和D项中选一个。改写为正常语序为“Man did not know what heat is until the early years of the 19th.”。现在将not提前,后面就不能再用否定了,否则意思就变了,故排除C项。句意:直到19世纪初,人们才知道什么是温度,故选D。
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