Ⅰ. Match the words with their meanings.
()1. belief n. A. something that you think is true
()2. unlock v. B. an opinion that people disagree
()3. writing n. C. to find out the secrets of something
()4. argument n. D. the activity of creating stories or books
()5. newspaper n. E. a piece of paper with news for people to read

Ⅰ. 1. A 2. C 3. D 4. B 5. E

Ⅱ. Complete the sentences with the correct form of the expressions in the box.
in common in the past over time no longer thanks to

Ⅱ. 1. in common 2. Thanks to 3. In the past 4. over time 5. no longer

Ⅲ. Complete the mind map about amber according to the passage in the textbook one word in each blank.

Ⅲ. 1. Secrets 2. feathers 3. changed 4. (to) discover 5. ants