About the primary function of sugar in our diet. Sugar is mainly used to add sweetness to food.

Question 5:
The question asks about the primary function of sugar in our diet. Sugar is mainly used to add sweetness to food.

• B. It sweetens the diet

Question 6:
The question asks how the food industry improves the nutritional level of people. By making food widely available, more people can access and consume food, which contributes to improving overall nutritional levels.

• D. making food available to everyone.

Question 7:
The question asks why the food we eat might not be the food we need. Often, food can be appealing to taste (palatable) but lack essential nutrients (food values) that our body requires for proper health.

• D. the food may be palatable but with less food values.

Question 8:
"French leave" is an idiom that means to leave without permission or without informing one's employer.

• C. went on leave without permission.

Question 9:
"Less conspicuous" means less noticeable or less prominent. Therefore, Ali's choice of colors makes him difficult to notice.

• C. difficult to notice among his friends.

Question 10:
The idiom "a dog in a manger" refers to someone who selfishly prevents others from using something that they themselves have no use for. This means refusing to share resources.

• D. refuses to share his resources.