Reading Passage 1: "William Kamkwamba"

Word list:
1 
Pinpoint (v) – to discover or describe the exact facts about something (C2)
Example: Emergency workers at the site are still unable to pinpoint the cause of 
the explosion 
2 
Idle (adj) – without any particular purpose (C2)
Example: There is no idle threat 
3 
Speculation (n) – the activity of guessing possible answers to a question without 
having enough information to be certain (C1)
Example: Rumors that they are about to marry have been dismissed as pure 
speculation 
4 
Infinite (adj) – without limits; extremely large or great (C2)
Example: An infinite number/variety 
5 
String together (ph.v) – to arrange a group of things into a series 
Example: He can hardly string together, let alone write poetry 
6 
Sophisticated (adj) – clever in a complicated way and therefore able to do 
complicated tasks (B2)
Example: These are among the most sophisticated weapons in the world 
7 
Entail (v) – to make something necessary, or to involve something 
Example: Such a large investment inevitably entails some risk 
8 
Precursor (n) – something that happened or existed before another thing, 
especially if it either developed into it or had an influence on it 
Example: Sulphur dioxide is the main precursor of acid rain
9 
Bent on (v) – to be determined to do or have something 
Example: He was bent on getting married as soon as possible 
10 
Cling on (v) – to try very hard to keep something (C2)
Example: He clung on to power for another ten years 
11 
Soothe (v) – to make someone feel calm or less worried 
Example: To soothe a crying baby 
30 - Day Reading Challenge