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 not explode．
［A］ while
［B］ though
［C］ because
［D］ if
五、条件状语从句： 表条件的状语从句主要由if，whether，as long as (只要)，provided(只要) (that)等词引导，例如
10) Uniform acceleration occurs the rate of change remains the same over successive equal intervals of time．
［A］ according
［B］ if
［C］ with
［D］ under
11) Abstraction goes into the making of any work of art， or not．
［A］ whether the artist being aware of it
［B］ the artist is being aware whether
［C］ whether the artist is aware of it
［D］ the artist is aware whether
六、表示其他关系的状语从句，主要包括地点和行为方式状语从句
12) the Atlantic Ocean crosses the equator，the trade winds cause a flow of water to the west．
［A］ Where
［B］ And
［C］ That
［D］ At
13) Nails protect the ends of human fingers and toes protect the toes of most other vertebrates．
［A］ claws
［B］ as claws
［C］ as claws do
［D］ so do claws
七、状语从句中的“主语＋be”的省略：状语从句中的主语和系动词be常有同时被省略掉的现象，但需有两个前提条件
(1) 从句主语与主句主语一致，且从句谓语为“be”；
(2) 省略后的结构为“连词＋现在分词”、“连词＋过去分词结构”以及“连词＋介词短语”和“连词＋形容词(名词短语) ”结构，例
14) ，glasses can correct most sight defects in healthy eyes．
［A］ When well fitted
［B］ Well fitted when
［C］ Well fitted if
［D］ If well fitted when
15) Although rigid，bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact．
［A］ apparently
［B］ are apparently
［C］ apparently their
［D］ are they apparently
16) When in arctic regions，the Aleuts construct igloos as temporary winter shelters．
［A］ travel
［B］ to travel
［C］ traveling them
［D］ traveling
八、例题解析