题目

Not until_________ in the field ________ that he had done something wrong to them.A. did all the crops die; did he realize B. all the crops died; did he realizeC. all the crops died; he had realized D. did all the crops die ; had he realized 答案：【答案】B【解析】考查倒装句。句意：直到所有的庄稼都死了，他才意识到他做了错事。not until 位于句首用部分倒装，not…until…直到…才…，它的倒装是把not until一起放到句首，再加上until后面的句子，然后跟倒装部分（比如借助助动词be或do、does之类的，也可以提前情态动词）+not后面的部分。原句下列物质按单质、氧化物、盐、混合物排列正确的是（ ）A．石墨、干冰、高锰酸钾、冰水B．水银、二氧化锰、小苏打、盐酸C．生铁、熟石灰、纯碱、铁锈D．液氮、生石灰、火碱、硫酸溶液