Unit6 Section Ⅵ Developing ideas（Word教参）-【步步高】2024-2025学年高二英语选择性必修第二册学习笔记（外研版）

Section Ⅵ　Developing ideas

Step 1　速读——整体理解文意

Ⅰ.明文章大意

What’s the main idea of the passage?

A．The Earth is a dangerous place.

B．Mars is a better planet for humans to live on.

C．We need to protect Earth even if we intend to settle on other places such as Mars in future.

D．Scientists have succeeded in growing plants on Mars.

答案　C

Ⅱ.悉篇章结构

Read the passage quickly and then fill in the blanks.

Step 2　细读——深度获取细节

1．What is the greatest risk to live on Earth now?

A．Nuclear missiles.

B．Global warming.

C．Resource reduction.

D．Environmental problems.

答案　D

2．Why do people choose Mars to explore?

①Because it is relatively close to Earth.

②Because its environment is less hostile than that of other planets.

③Because it has an environment suitable for farming.

④Because it doesn’t need to be transformed to live on it.

A．①②   B．①③

C．①④   D．①②③

答案　A

3．What can we learn from the passage?

A．People have sent manned spacecraft to Mars.

B．Our robots have explored the Martian surface.

C．Our probes have orbited Mars，not sending back any valuable information.

D．Due to lack of technology，it is unlikely that humans will explore Mars in the next 30 years.

答案　B

4．What can we infer from the last paragraph?

A．The day of human migration to Mars is not far away.

B．Global warming has little to do with human activities.

C．We still need to protect Earth despite the solutions to the risks.

D．Because of the plan to immigrate to Mars，attention to Earth is not important.

答案　C

5．According to the passage，what is the style of the passage?

A．Argumentation.   B．Exposition.

C．Narration.   D．Biography.

答案　B

Step 3　读后——课文语法填空

Today，environmental problems have become the 1.greatest(great) risk to life on Earth.Scientists are thinking of ways to lower this risk，but they are also preparing 2.for the worst.One option is 3.to explore(explore) other planets to see if we could live on them.The most likely choice is Mars，which is 4.relatively(relative) close to Earth and has an environment less hostile than that of other planets.Mars 5.has fascinated(fascinate) people since ancient times，and today our interest in Martian exploration is greater than ever before.Since 6.the 1960s，we have

been sending unmanned spacecraft to Mars.

7．Encouraged(encourage) by discoveries over the years，space agencies of various countries are planning manned missions to Mars that could take place within the next 25 years.There is no doubt 8.that humankind is drawn towards Mars，with dreams of making it our second home.However，9.sending(send) people there will require all the skill，courage and 10.intelligence(intelligent) of the human race.For now，human settlement of Mars is still decades away.Until we are finally able to live on another planet，we need to take much better care of our own.

Ⅰ.补句子　析结构

1．In the 1960s and 1970s，the greatest(great) fear was that the human race，and possibly all advanced(advance) life forms on the planet，could be wiped(wipe) out by nuclear missiles，just at the push of a button.(P90 Para.1)

结构分析：此句为主从复合句。that引导表语从句；wipe out意为“彻底摧毁，消灭”。

汉语翻译：在20世纪60、70年代，最大的恐惧是，只需按下一个按钮，人类——甚至可能是地球上所有的高级生命体——就可能被核导弹彻底毁灭。

2．One option is to explore other planets to see if we could live on them.(P90 Para.2)

结构分析：此句为主从复合句。动词不定式短语to explore other planets作表语；动词不定式短语to see if we could...作目的状语；if引导宾语从句。

汉语翻译：一种选择是探索其他星球，看看我们能否在上面生活。

3．The most likely choice(choose) is Mars，which is relatively(relative) close to Earth and has an environment less hostile than that of other planets.(P90 Para.2)

结构分析：此句为主从复合句。which引导非限制性定语从句，修饰名词Mars。

汉语翻译：最有可能的选择是火星，它离地球相对较近，环境不像其他行星那么恶劣。

4．Encouraged by discoveries(discovery) over the years，space agencies of various(vary) countries are planning manned missions to Mars that could take place within the next 25 years.(P91 Para.3)

结构分析：此句为主从复合句。过去分词短语Encouraged by...years作原因状语；that引导定语从句，修饰名词missions。

汉语翻译：受到多年来这些发现的鼓舞，各国航天机构正计划在未来25年内进行载人飞船登陆火星的任务。

5．While the Moon can be reached(reach) within days，it would take months(month) to reach Mars，travelling through dangerous solar radiation.(P91 Para.4)