在使用gas的时候 如果切换网络环境 会立即进入「offline」模式 一个横幅就一直挂在屏幕上面，没有任何关闭方法 只能重进

网络一旦出了什么问题，基本上就避免不了看到internal错误

这还挺好的，祸全自己收着了

但是要是图片上传的时候网络不行了，那么就直接说图片没有通过审核

何意味

浅浅证明一下清白 图片的完整内容:```

LESSON 2

AHA MOMENT

ACTIVATE AND SHARE

1 Pair Work Have you had the experience of arriving at a sudden exciting idea for a difficult problem? Talk about your experience with a partner.

to fly / come into my mind
to occur to me
to have a flash of insight
to come all at once
to emerge
to happen by coincidence

Example
I once had such an experience. I was clueless about a maths problem for a whole week. All of a sudden, an idea flew into my mind. And I was very excited about it.

LISTEN FOR UNDERSTANDING

2 You are going to listen to a radio interview about "aha moments". What do you think an "aha moment" is?

🔊12.3 3 Listen to what the host says at the beginning of the interview. Answer the questions.
1 What is an "aha moment"?
2 What is going to be discussed in the interview?

🔊12.3 4 Listen to Part 1 of the interview. What is the misunderstanding about an "aha moment"? What is Dr. Bond’s opinion about the relationship between an "aha moment" and hard work?
Misunderstanding: Some think an "aha moment" happens ______.

Dr. Bond’s opinion:
- Behind a brilliant idea, there’s often ______ ______ involved in it.
- He / She has to ______ before making a discovery. (In other words: Inspiration doesn’t appear ______.)

5 What example does Dr. Bond use? What indicator does he use to show his opinion in talking about the example?

Skill Builder

Understanding Expressions Indicating the Opposite

Some speakers draw listeners’ attention to important messages by the opposite of the idea they just said.
- Pay attention to transition words such as instead, in fact and however.
- Pay attention to the stressed words or phrases.
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