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发表于 2017-11-21 21:54:32
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语法知识点
1. 情态动词表推测
(1)对现在、将来情况的推测,用情态动词+动词原形
对现在、将来情况的肯定推测:must+动词原形
对现在、将来情况的否定推测:can’t +动词原形
对现在、将来情况的可能推测:may/might +动词原形
例句:What is he doing?
He must be sleeping./He can’t be reading./ He may/might be reading but I’m not sure.
(2)对过去情况的推测,用情态动词+have done sth.
对过去情况的肯定推测:must+have done sth.
对过去情况的否定推测:can’t +have done sth.
对过去情况的可能推测:may/might +have done sth.
例句:It must / may / might / have rained last night. The ground is wet.
The door is locked. He cannot / may ( might ) not have been at home.
2. 部分倒装:否定词前置
(1)hardly/scarcely…when…
例句:Hardly had she gone out when a student came to visit her.
她刚一出门,一个学生就来拜访她。
(2)no sooner…than… 例句:
例句:No sooner had the game begun than it began to rain heavily.
比赛刚一开始就下起了雨。
3. 动词 ing 形式作独立主格结构:逻辑主语和主句主语不一致时采用。例句:
Time permitting, we will go for a picnic tomorrow. (=f time permits, we will go for a
picnic tomorrow.) 如果时间允许,我们明天会去野餐。
4. so...as to 结构:表示“如此......以至于......”。例句:
The girl was so excited as to shout herself hoarse. 那个女孩兴奋得喊哑了嗓子。
5. even if 引导的让步状语从句:“即使”。 例句:
Even if we achieve great success in our work, we should not be proud.
即使我们在工作中取得了巨大成绩,也不应该自满。
练习题
161. In a typhoon, winds ________ a speed greater than 120 kilometers per hour.
[A] assume [B] accomplish [C] attain [D] assemble
162.________ the English examination I would have gone to the concert last Sunday.
[A] In spite of [B] But for [C] Because of [D] As for
163. Mary ________ my letter; otherwise she would have replied before now.
[A] has received [B] ought to have received
[C] couldn’t have received [D] shouldn’t have received
164. ________ to speak when the audience interrupted him.
[A] Hardly had he begun [B] No sooner had he begun
[C] Not until he began [D] Scarcely did he begin
165. Anna was reading a piece of science , completely ________ to the outside world.
[A] being lost [B] having lost [C] losing [D] lost
166. The policemen went into action ________ they heard the alarm.
[A] promptly [B] presently [C] quickly [D] directly
167. The lost car of the Lees was found ________ in the woods off the highway.
[A] vanished [B] abandoned [C] scattered [D] rejected
168. Dress warmly, ________ you’ll catch cold.
[A] on the contrary [B] or rather [C] or else [D] in no way
169. Our research has focused on a drug which is so ________ as to be able to change brain chemistry.
[A] powerful [B] influential [C] monstrous [D] vigorous
170. Bob was completely ________ by the robber’s disguise.
[A] taken away [B] taken down [C] taken to [D] taken in
171. Difficulties and hardships have ________ the best qualities of the young geologist.
[A] brought out [B] brought about [C] brought forth [D] brought up
172. Our modern civilization must not be thought of as ________ in a short period of time.
[A] being created [B] to have been created [C] having been created [D] to be created
173. Even if they are on sale, these refrigerators are equal in price to, if not more expensive than, ________ at the other store.
[A] anyone [B] the others [C] that [D] the ones
174. The bank manager asked his assistant if it was possible for him to ________ the investment plan within a week.
[A] work out [B] put out [C] make out [D] set out
175. He knows little of mathematics, and ________ of chemistry.
[A] even more [B] still less [C] no less [D] still more
176. The students expected there ________ more reviewing classes before the final exam.
[A] is [B] being [C] have been [D] to be
177. I will give this dictionary to ________ wants to have it.
[A] whomever [B] someone [C] whoever [D] anyone
178. After having gone ________ far, George did not want to turn back.
[A] enough [B] much [C] such [D] that
179. ________ all our kindness to help her, Sarah refused to listen to us.
[A] At [B] For [C] In [D] On
180. Richard doesn’t think he could ever ________ what is called “free-style” poetry.
[A] take on [B] take over [C] take to [D] take after
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