I. Choose the best option A, B, C or D for each blank to complete the passage: Humans have a long history of eating insects, and it turns out that they can be a very nutritious part of a person’s regular (21) . Insects have a lot of protein, and they are often easier to catch than prey animals. Therefore, it is no wonder that when our ancient ancestors saw some tasty worms or grabs wiggling on the ground, they made a quick snack of them. In Thailand, insects are a regular part of the street food that can be found. The different (22) that people snack on are crickets, grasshoppers, giant water bugs, and assorted worms. They are often deep-fried and salted, so they have a crunchy texture that makes them a perfect snack food. If you can get past the fact that you are eating a cricket, it will crunch in your mouth just like a corn chip! For a lot of people, however, it is difficult to get over the fear of eating insects. People tend to see insects as invaders, especially when they are crawling on the food that we are about to ear. (23) being able to eat insects without feeling disgusted is cultural. Some people cannot eat French cheese or stinky tofu because they weren’t brought up doing so. To many of us, insects fail right into that category, making it difficult to even try them. If given the chance, though, be courageous, insects can be (24) __________and tasty, so long as you can get over the “yuck” factor. 21. A. health B. fitness C. diet D. balance 22. A. insects B. animals C. herbs D. cattle 23. A. However B. Although C. Meanwhile D. Therefore 24. A. nutrition B. nutritious C. nutritions D. nutritiously