brain
/breɪn/
大脑
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Unit 1
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05 Unit 1 Discovery100%
Discovery. Understanding the teenage brain. Scientists have discovered that our brains go through
探索：了解青少年的大脑。科学家发现，我们的大脑会经历
discover that... 中 that 引导宾语从句；go through 表示“经历”。
great changes during our teenage years. One of their findings is that the brains of teenagers
青少年时期的巨大变化。他们的发现之一是，青少年的大脑
during 表示时间；finding 表示“发现、研究结果”。
are only about 80% developed. Some parts of the brain develop first while some develop later.
大约只发育了 80%。大脑的一些部分先发育，而另一些部分后来才发育。
are developed 是被动语态，表示“被发育”；while 连接对比。
The last part to be fully developed is the frontal lobe. It controls higher thinking,
最后完全发育的部分是额叶。它控制高级思维、
the last ... to do 表示“最后做……的……”；fully 是副词。
judgment, attention, behavior and feelings. This is why teenagers are more sensitive to
判断力、注意力、行为和情绪。这就是为什么青少年对
higher thinking、judgment 等是并列名词；control 后接宾语。
risky behavior and peer pressure and have less self-control. When the brain is not fully developed,
危险行为和同伴压力更加敏感，自我控制能力也较弱。当大脑尚未完全发育时，
be sensitive to 表示“对……敏感”；have less self-control 表示自控力较弱。
making smart decisions is also much more difficult. For example, in certain situations,
作出明智决定也会困难得多。例如，在某些情况下，
making smart decisions 是动名词短语作主语；much 修饰比较级 more difficult。
you may find yourself thinking about things like, I have an exams tomorrow, but I really want to
你可能会发现自己在想：我明天有考试，但我真的很想
find yourself doing 表示“发现自己正在做某事”；may 表示可能性。
see a movie tonight. One night of skipping studying won't matter. Where you grow up, you might think,
今晚看电影。少学习一个晚上应该没关系。在成长过程中，你可能会想，
动名词 skipping studying 作主语；won’t 是 will not 的缩写。
why I do love movies. I need to study for my finals first. So don't worry, it does take you a while
我为什么这么喜欢电影。我得先为期末考试学习。所以不用担心，成为
first 在句末前后形成先后关系；need to do 表示“需要做……”。
to become a good decision maker.
一个善于作决定的人确实需要一段时间。
it takes sb time to do 表示“做某事花费某人时间”；to become 是真正主语。
本课怎么学：05 Unit 1 Discovery
初中英语（沪教版2026） · 05 Unit 1 Discovery。建议按朗读跟读 → 单词 → 语法常考题 → 进度标记完成一课。
- 听朗读并对齐跟读：打开「05 Unit 1 Discovery」在线朗读，播放时用句级跟读高亮对齐每一句，先听懂大意再跟读。
- 过本课核心词：重点记本课单词：brain、develop、frontal lobe、judgment、attention、risky；结合原文句子记忆，不要只背中文释义。
- 看语法并做常考题：先读语法点「宾语从句」，再做 1–2 道本课常考题，确认能在原文里定位对应句。
- 标记学习进度：学完后把本课标为「学习中」或「已完成」，方便下次从进度清单继续。
常见问题
- 初中英语（沪教版2026）05 Unit 1 Discovery主要学习什么？
- 本课介绍青少年大脑的发育特点，说明额叶尚未完全发育会影响判断、自控和决策，并强调成长为善于作决定的人需要时间。
- 05 Unit 1 Discovery需要重点掌握哪些单词？
- 重点单词：brain、develop、frontal lobe、judgment、attention、risky、pressure、self-control。建议连回原文句子记忆，不要只背中文释义。
- 05 Unit 1 Discovery的核心语法是什么？
- 宾语从句：discover、find 等动词后可接 that 引导的宾语从句，说明发现或想法的内容。 动名词作主语：动名词短语可作句子主语，表示一项活动或行为。
- go through 是什么意思？
- go through：经历；经过
- be sensitive to 是什么意思？
- be sensitive to：对……敏感
- Which part of the brain develops last?
- The frontal lobe develops last.
- What does the frontal lobe control?
- It controls higher thinking, judgment, attention, behavior and feelings.
- Why do teenagers sometimes make risky decisions?
- Their brains are not fully developed, so they are more sensitive to peer pressure and have less self-control.
- How long does it take to become a good decision maker?
- It takes a while; becoming a good decision maker is a gradual process.
- 初中英语（沪教版2026） 05 Unit 1 Discovery 怎么学？
- 先听朗读并开句级跟读，再过单词/注解与语法知识点，最后做 1～2 道常考题并标记进度。
整理：学习盒子（StudyBox）教研 · 更新：2026-08-14
单词表
develop
/dɪˈveləp/
发育；发展
frontal lobe
/ˈfrʌntl ləʊb/
额叶
judgment
/ˈdʒʌdʒmənt/
判断力
attention
/əˈtenʃən/
注意力
risky
/ˈrɪski/
有风险的
pressure
/ˈpreʃə/
压力
self-control
/ˌself kənˈtrəʊl/
自我控制
decision
/dɪˈsɪʒən/
决定
situation
/ˌsɪtʃuˈeɪʃən/
情况
短语
| 短语 | 意思 |
|---|---|
| go through | 经历；经过 |
| be sensitive to | 对……敏感 |
| find yourself doing | 发现自己正在做 |
| make a decision | 作出决定 |
| take time to do | 花时间做某事 |
| peer pressure | 同伴压力 |
| skip studying | 不学习；跳过学习 |
语法点
宾语从句
discover、find 等动词后可接 that 引导的宾语从句，说明发现或想法的内容。
例：Scientists have discovered that our brains go through great changes.
动名词作主语
动名词短语可作句子主语，表示一项活动或行为。
例：Making smart decisions is difficult.
it takes...to do
It takes sb time to do sth 表示“做某事花费某人一段时间”。
例：It takes you a while to become a good decision maker.
while 表示对比
while 可连接两个同时或相对的情况，表示“而；然而”。
例：Some parts develop first while some develop later.
常考题
4
常考题
41Which part of the brain develops last?
The frontal lobe develops last.
2What does the frontal lobe control?
It controls higher thinking, judgment, attention, behavior and feelings.
3Why do teenagers sometimes make risky decisions?
Their brains are not fully developed, so they are more sensitive to peer pressure and have less self-control.
4How long does it take to become a good decision maker?
It takes a while; becoming a good decision maker is a gradual process.