Choose the correct words or phrases to complete the sentences. An element is a substance, the property ____ cannot be changed by any physical means.
举一反三
- Choose the correct words or phrases to complete the sentences. The explosion on the sun cannot be heard, there ____ no air between the earth’s atmosphere and the sun.
- Choose the correct words or phrases to complete the sentences. Not pessimistically, violent crimes cannot be exterminated in urban areas ____ social gaps are not bridged.
- 问题：智慧职教: Choose the correct words or phrases to complete the sentences.
- Choose the correct words or phrases to complete the sentences. It was no until the accident happened ____.
- Choose the correct words or phrases to complete the sentences. Rod is determined to get a seat for the concert ____ it means standing in a queue all night.