A.Jutes
B.kiwi
C.Beatles
D.shadow
E.coalition
F.Midwest
G.Brisbane
H.two thirds
I.Mayflower
J.three fourths
K.First Nations
L.The Immigration and Nationaity Act of 1965
The Great Lakes are the economic lifeline of the ______of the US.
【正确答案】：F
【题目解析】：五大湖是美国中西部经济的生命线。