SECTION 4
Questions 31–34
Complete the summary below.
Write NO MORE THAN TWO WORDS for each answer.
Origins of the Caveman Diet
There are many popular fad diets nowadays. They all promise good health if you stick to the 31 . The Caveman diet is a popular example. This diet includes foods such as lean meat and fish that our forebears ate before we developed 32 . We need to find out what our ancestors did eat, so researchers are studying some existing hunter-gatherer tribes. These tribes typically like to eat meat but they can’t always get it, even though they are skilled with their weapons, e.g. 33 and . So, instead, they eat foods that their wives gather. They get only about a 34 of their energy from meat.
Questions 35–36
Choose the correct letter, A, B or C.
35Research evidence suggests that
Athe tribesmen’s traditional diet is unhealthy
Bour bodies can digest only certain foods
Cwe can adapt to a range of diets.
36Thai people have difficulty digesting milk because
Athey have too much lactase in their bodies
Bin the past they didn’t farm cows
Ctheir saliva lacks certain enzymes.
Questions 37–40
Complete the notes below.
Write NO MORE THAN TWO WORDS for each answer.
Variation in global diets:
- Inuit – most calories from 37 foods, e.g. seal meat
- Jains – vegetarian, but milk is permitted
- Others – fish, insects
Implications for the caveman diet:
- Cavemen did not all eat the same diet
- Diets come from complicated cultural 38
Problems with Caveman diet:
- Costs a lot of money for lean meat and 39
- Too much red meat may be unhealthy
- Reliance on meat is bad for the 40
