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task E
1) a
2) b
3) a
4) c
5) b

task 2A
1) chest
2) duration
3) to freeze
4) ventricular fibrillation
5) cardiac arrest
6) to tingle

mediation task
1) it reacts to heat and smoke
2) it attempts to ignore dust
3) it can run for up to 6 months on battery
4) the batteries span up to 10 years which is longer than the alarm itself
5) shows whether there is a fault
6) by pressing the button on it
7) the alarm is broadcasted to all remaining units