新视野视听说教程第二册quiz

22. When Erasmus Jacobs found the sparkling stone by the river, ________.

A. he knew it was a diamond because it was shining

B. he sold it thinking it's precious

C. he took it home to give it to his mother

D. he left it by the river but came back later to get it

23. What is indirectly said about a person who cuts diamonds?

A. He can expect to hurt his hands when rubbing and polishing the stones.

B. He can ruin a good stone due to the lack of the tool to cut it.

C. He should work in the diamond mines so that he can choose the best stones.

D. He must be able to create beautiful jewelry.

24. What can be inferred from this passage?

A. Most diamonds are found by rivers.

B. Most diamonds are found in ocean caves.

C. Most diamonds are dug out of deep mines.

D. Most diamonds are made into jewelry.

25. What is the main idea of the passage?

A. Diamonds shine because of the way they are cut.

B. Why diamonds are so valuable and rare.

C. Most diamonds are found in Africa and Asia.

D. The precious diamonds have a long history.