1 . 这几乎是个意外发现。
The discovery was made almost_________.

4 . Several years after they said goodbye to each other, they met again__________ in Paris.

A．in this sense

B．by chance

C．early on

D．on the one hand

5 . 英译汉
1. fight against ________
2. by chance________
3. be/get stuck ________
4. with the objective of________
5. flow chart________
6. theory of relativity________
7. put forward ________
8. pass away________
9. be mistaken for________

6 . 选词填空
1. The 2019 Nobel Prize ______ Physics was won by three scientists for their work on understanding our universe. (on/for)
2. An apple four hundred years ago led ______ the law of gravity while the apple designed by Steve Jobs has changed our life greatly. (to/in)
3. Two years ago,   one of my close relatives died ______stomach cancer.   (from/on)
4. You should not mention it ______ the beginning,   or it will give away the surprising ending. (of/in)
5. I met a friend of mine in the street ______ chance yesterday.   (of/by)
6. It’s important to draw ______ a child’s potential capacities.   (out/up)
7. She insisted ______ seeing us off at the airport.   (of/on)
8. ______ hearing the news of his winning,   I offered my congratulations to him on the phone. (With/Upon)

7 . While I was reading the article, one sentence caught my eyes ________chance.

A．under

B．with

C．by

D．through