Question

Frequent In the passage given below there is one word missing in each line. Fill in the missing word along with the word that comes before it and the word that follows it. Word before Answer Word after Frequently when is an air crash eg. when there is there is mention a black box. This (a) ______ ______ _______ is important part of every plane. (b) ______ ______ _______ It is basically an electronic device is used by people (c) ______ ______ _______ investigating the reasons the crash. (d) ______ ______ _______ There are usually black boxes one (e) ______ ______ _______ contains the cockpit voice recorder the other (f) ______ ______ _______ contains flight data. Both them (g) ______ ______ _______ give information about cause (h) ______ ______ _______ of the accident.

Answer 1

This small/strong/electronic/metalic black box is important part of every plane.

It is basically an electronic device is used by the people from investigating team  investigating the reasons for the crash.  

There are usually two black boxes; one of them contains the cockpit voice recorder, and the other contains the flight data.  Both of them after an analysis give information about the probable / actual cause of the accident.