A.in appearance, but not in taste B.neither in appearance nor in taste C.both in appearance and in taste D.in taste, but not in appearance
单项选择题What is the main subject of the passage()
A.A solution to man's food problem. B.A solution to the population problem. C.Advantages of soybean. D.How to develop good eating habits.
单项选择题According to the passage, the main part of food that many people are eating today is ()
A.soybeans B.grain C.meat D.milk