1. libel 与 slander
slander 诽谤 （口头的诽谤）
2. bear 与 sire
bear 生育 (用于女性)
sire 生育 (用于男性)
She has borne two children.
He married three women and sired 5 children.
3. dangerous 与 in danger
in danger 主语自己处在危险中
If you meet a tiger, then you are in danger, because tigers are dangerous. But if you have a gun, then the tiger may be in danger.
请用 in danger 或 dangerous 填空:
To play with fire is _______.
The farm house is ______, for it may be flooded if a rainstorm comes.
lt is _______ to go into a forest alone. (主语是不定式 to go into...)
When ------, squirrels will immediately jump onto trees.