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②介詞短語(即prep.+ n)可以劃掉(主句句首除外)③作定語(即修飾名詞)④句中作狀語的分詞短語可以劃掉⑤與空格無關(guān)的句子可以劃掉⑥插入語或同位語因為這部分句子可能對整句話的邏輯關(guān)系起作用步驟實質(zhì):進一步簡化句子,找到句子的主干即主謂(任何句子都歸結(jié)為簡單句,而簡單句都歸結(jié)為主謂,因此抓住主謂即可)。4 區(qū)分四選項,結(jié)合句意和語感確定答案。②答案的首單詞為助動詞或系動詞。Not only,Not until,hardly,scarcely,rarely,seldom, no sooner…thanNot until(介詞)+時間+主謂倒裝。eg: 講P11____1895 did Cornell University begin to offer a degree in ornithology.A. Not until B. Not since C. Until D. In答案: A (until不倒裝)習P213Not until linoleum was invented in 1860____ hardwearing, easytoclean flooring.A any house did have B. did any house have C. house had any D. any house had答案:B習P539Not until 1949____ Canada’s tenth province.A. became Newfoundland B. did Newfoundland bee C. Newfoundland did bee D. Newfoundland became答案: B2.only +狀語 位于句首,引起倒裝。only +狀語從句 (only when+句子)only + 介詞prep. +n (only in recent years)only + adv. ( only recently)eg: 講P12Only recently_____ possible to separate the ponents of fragrant substances and to determine their chemical position.A. it bees B. having bee C. has it bee D. which bees答案:C3. 形容詞短語/分詞短語位于句首,作表語引起倒裝。indentify)4.So位于句首引起倒裝(So……that )主語+be +so +adj.+ that +句子So +adj. +be + 主語+ that +句子答案eg:講P24____decised to lessen the drudgery of washing clothes that the orgin of the washing machine is unclear.A. Were the inventions so numerous B. The inventions so numerous C. So numerous were the inventions D. The inventions that were so numerous答案: C5.表地點和范圍的介詞短語位于句首(時間不行),且謂語動詞為系動詞,引起倒裝?!寡b句的答案中一般不要出現(xiàn)there,因為there be 本身就是倒裝。習P1194The moon is much closer to Earth____ is the Sun, and thus it had greater influence on the tides.A. unlike B. than C. but D. where答案:B7.As位于句中,引起倒裝,類似于So。eg: …… extensive(adj.) musical and theatrical backgrounds as well as familiar(adj.) with……1. 平衡連接詞① 單一式:and, or, but, yeteg:習P10811Managers often receive considerable training in the “technical” aspects of their jobs, ____very little in the “people management” aspects.A. so B. just as C. ye