Ⅰ.Look up these words in your dictionary,
1. Definitions with the words.
1).addictive
something you can’t stop doing once you have started
2).Blood pressure
The pressure which the heart applies to the blood to send it round the body
3).Break into
To enter a building illegally, probably to steal something
4).Cannabis A drug made from the dried leaves and flowers of the hemp plant
which arethen smoked or eaten
5).Crack cocaine Made from the leaves of coca plant
6).Danger something which may hurt or kill you
7).Drug addict a person who takes drugs and is unable to stop
