II状 语 从 句
一、时间状语从句：主要由when，whenever，after，before，as，(ever)since，once，as soon as，(not)until，while等连词引导
1) ，Alexander Graham Bell was still a young man．
［A］ He invented the telephone
［B］ The telephone was invented
［C］ His invention of the telephone
［D］ When he invented the telephone
2) The small greenish flowers of the American elm tree appear in the spring， ．
［A］ is grown long before the leaves
［B］ long before the leaves grow
［C］ the leaves before growing long
［D］ the growth of leaves before long is
3) _，heat is produced．
［A］The mixing together of certain chemicals
［B］Whenever certain chemicals are mixed together
［C］Certain chemicals mixed together
［D］ That certain chemicals are mixed together
二、结果状语从句：考试中主要集中在“so…that”(这样……以致) 引导的状语从句，除此之外，还有“such…that”等其他连接词可以引导
4) Lucretia Mott’s influence was too significant ［A］ that she has been credited ［B］ by some authorities ［C］ as the originator ［D］ of feminism is the United States．
5) Dorothy Ｐarker’s satirical ［A］ verse was quite ［B］ popular that her books of poetry ［C］ appeared ［D］ on bestseller lists．
三、让步状语从句： 让步状语从句通常由(even)though，although，no matter，even if ，however，whatever等词引导
6) Hippopotamuses， a great deal of time submerged in lakes or rivers，do not feed in the water．
［A］ spend
［B］ they spend
［C］ although they spend
［D］ which they spend
7) do not have webbed feet， gallinules are excellent swimmers．
［A］ They
［B］ Even though they
［C］ That they
［D］ It is when they
四、原因状语从句： 原因状语从句可由as，because，since及for引导，而托福考题集中在由“because”引导的从句
8) Nelon is said to be inert does not react easily with other substances．
［A］ becaues of it
［B］ because it
［C］ it is because
［D］ is because it
9) Helium is safer than hydrogen it can
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