课时提能练(十) 必修3 Unit 7 The Sea(B)
(对应学生用书第259页)
Ⅰ.阅读理解
(2017·辽宁省部分重点高中第三次联考)Those who claim bananas are fattening argue that bananas cause the body to make lots of insulin (胰岛素), and insulin causes fat growth.
How much insulin we produce is related to how fast food becomes sugar in our bloodstream.How can you know if food makes a lot of sugar quickly? The glycemic index(血糖指数), or GI rating tells us.Foods with GI scores above 75 are considered highGI foods, leading to
