Module 3 Journey to space Unit 1知识点梳理 外研版八年级英语下册

2024外研版八年级英语下册Module 3 Journey to space 知识点梳理
Unit 1 Has it arrived yet
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重点单词解析
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教材原句：I’ve just made a model spaceship for our school project.
【归纳】just adv. 刚才；刚刚，位于助动词后，实义动词前，常用于现在完成时；
【辨析】just 强调动作刚完成，对现在有影响；常用于现在完成时，助动词后，实义动词前；
just now=a moment ago, 强调过去情况，常用于一般过去时，位于句末；
【例句】My friend just come back from Suzhou.
We had a meeting just now.
教材原句：I haven’t started yet because I’m not sure how to make it.
【归纳】yet adv. 还；尚
【用法】（1）意为“还；尚”，常用于现在完成时否定句，表示某一动作/某事在某一时间尚未发生，但未来也许会发生；（2）意为“已经”，用于一般疑问句，位于句末；
【辨析】yet 常用于现在完成时的否定句/疑问句；谈论尚未发生但可能发生的事；
already 常用于现在完成时的肯定句，谈论已经发生的事。
【拓展】not yet 意为“还没有”，对现在完成时的一般疑问句作否定回答。
【例句】-Have you finished your homework yet -Not yet.
I haven’t seen her for a very long time.
教材原句：Have you heard the latest news
【归纳】latest adj. 最近的；最新的
【拓展】还可意为“最迟的”，是late（晚的，迟的）的最高级形式
【例句】Have you read the latest news
教材原句：Have you heard the latest news
【归纳】news n. 新闻；消息，不可数名词，“一条消息”为”a piece of news
【辨析】news “新闻；消息”，不可数名词，指发生不久的消息，特别是报纸/广播/电视中发布的消息，强调“新”；message “消息；口信；信息”，可数名词，指口头/书面告知的消息；information “信息；消息”，不可数名词，指通过各种途径得到的信息资料，强调内容，不强调“新”。
【例句】I have got some information from the newspaper about the news. I’ll leave a message for you.
教材原句：The journey has taken several months.
【归纳】take v. 花费（时间等）
【拓展】It takes/took sb. some time to do sth. 做完某事花费某人多长时间
【例句】It will take him one hour to finish his homework.
教材原句：That’s why it’s on the news.
【归纳】on prep. 在（播放）中；关于……
【短语】on the air （广播等）正在播送 on the radio 在广播中
【例句】She wants to buy a book on animals.
I always listen to music on the radio.
教材原句：So have they discovered life on Mars
【归纳】discover v. 发现；找到
（1）“发现”，指发现本身已存在的，但不为人知的客观事物
（2）“发现；找到”，强调出乎意料=find
【拓展】discovery “发现；发觉”，可数名词和不可数名词皆可。
【例句】Do you know who discover Ammerica
教材原句：But no one has been to Mars yet, because Mars is very far away, much farther than the moon.
【归纳】farther adj. & adv. 更远/较远（的）
【辨析】father adj. “空间/方向/时间上更远的，较远的”；adv. 更远；较远，指时间/空间上的更远；further adj. “更多的，更进一步的”，表示程度；adv. “（距离/时间上）较远，更远；在更大程度上，进一步”
【例句】How much father is it
Have you any further questions
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教材原句：What are you up to
【归纳】be up to 忙于；正在做（秘密/不该做的事），常用于口语;
★What are you up to = What are you doing
【例句】I haven’t seen her for a very long time. What’s up to her
教材原句：Sure, no problem.
【归纳】no problem 没问题（用于表示乐于做某人要求做的事），表示乐于相助，还表示事情容易做。
【例句】-Can you bring your kite tomorrow -No problem.
教材原句：But no one has been to Mars yet, because Mars is very far away, much farther than the moon.
【归纳】no one=nobody 没有人，作主语谓语动词用单数形式
【例句】No one knows how to work out the problem.
教材原句：But no one has been to Mars yet, because Mars is very far away, much farther than the moon.
【归纳】far away 远；遥远
★be far (away) from 离……远 {反义短语} be close to “离……近”
【例句】Harbin is far away from my hometown.
教材原句：Lots of scientists are working hard in order to send astronauts to Mars one day.
【归纳】in order to do sth. 为了；以便 in order not to do sth. 为了不做某事 ，位于句首/句末。
【例句】In order to catch the early bus, we must get up early.
In order not to miss the early bus, we must get up early.
教材原句：You can go online to search for information.
【归纳】search for 搜寻/搜索
【辨析】search for “搜寻/搜索……”后+要找的对象；search…for… “为……而搜索”，search+地点名词，for+搜索的目标。
【例句】Take your time to search for something that you want.
She searched her schoolbag for her ruler.
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教材原句：That’s why it’s on the news.
【归纳】That’s why… 这就是……的原因
【辨析】That’s why “这就是……的原因”,引导表语从句，强调结果；That’s because “那是因为……”，引导表语从句，强调原因。
【例句】That’s why he was late this morning.
She didn’t come to school today. That’s because she was ill.