[填空题]
{{B}}PART ONE{{/B}}
· Look at the statements below and the information on soy and soy product on the opposite page.
· Which section (A, B, C, or D) does each statement 1--7 refer to
· For each statement 1--7, mark one letter (A, B, C, or D) on your Answer Sheet.
· You will need to use some of these letters more than once.

{{B}}A{{/B}}
The soybean is a legume native to China. For 5000 years, China has been using soybeans as a source of food and medicine. As one of the five sacred grains in China, soybeans were extensively cultivated and highly valued. In the eighteenth century, soybeans were introduced in Europe for the first time and were regarded merely as an object of botanical curiosity. It was only in the 1930’s when the United States began exploring and developing soybean varieties through hybridization. Today, as a main source of protein, soybeans are a regular component of human diet in countries such as China, Japan a