单项选择题
A.那家公司也许会减产,惟一的条件是使它确信其产品价格将保持稳定。 B.那家公司可能会准备减产,惟一的条件是让它确信其产品价格不再下跌。 C.当那家公司确信其产品价格不再稳定时,它可能正在准备停产。 D.只有物价被控制在一个稳定的标准上,那家公司才会减产。
A.all of the Old English words have died out or changed their meaning B.new words come out to meet the new situations C.most of the changes in English vowel pronunciation are regular D.the change in pronunciation may lead to the change in grammar
A.grammar B.vocabulary C.pronunciation D.all of the above