“Mary believes that there is life on Mars” implies “Mary knows that there is life on Mars”. （ ）
举一反三
- If there were life on Mars, such life forms __________ unable to survive on earth.
- Can we find life on Mars?
- If there were life on Mars, such life forms __________ unable to survive on earth. A: would be B: are C: will be D: should
- Starting with the ___ that there is life on the planet Mars, the scientist went on to develop his argument.
- Some scientists think there may have been life on the Mars in the past because （） A: there is no life there now B: there is a large amount of water at the poles C: the Mars may be able to support life in the future D: conditions may have been similar to those on the Earth