10 million insect species have been identified
举一反三
- The previously __________ objects have now been identified as being satellites.
- One million of the earth’s eight million species are in danger.( )
- Once the alternatives to solving a problem have been identified, the next step in the decision-making process is selecting one of these alternatives.
- He muffled his voice to avoid ______. A: having been identified B: to be identified C: identified D: being identified
- 中国大学MOOC: Rainforests _______ over one million species of wildlife.