中国大学MOOC: If we want to show that there is a problem against a certain research background, we can use
举一反三
- 中国大学MOOC: When we want to get on well with others, we can use jokes。
- If we want to show something to tourists, we use one finger pointing to it. ( )
- 中国大学MOOC:"We want to _____________how animals use tools. ";
- We can use __________ to show cause-and-effect relations.
- 中国大学MOOC: We can find the book we want though browsing library ______.