17-18
Many people believe food should be fresh, nutritious and natural. But, on the other hand, fast food has become more and more popular. Some people around the world like to __17__ in junk food. Junk food is usually high in calories, but with __18__ dietary fiber, protein, vitamins and minerals. Many kinds of junk food can be easily found in supermarkets and fast-food restaurants. Due to easy accessibility, people are likely to consume it.
【題組】18.
(A) instructive
(B) insulting
(C) insufficient
(D) instinct