赞题库-背景图
单项选择题

Which of the following is NOT the purpose of America’s central bank What is the direct reason for the temporary shutdown of some of the turbines

A.Americans are not convinced of the virtues of wind power.
B.Environmentalists believe that windmills are dangerous.
C.Better energy sources are available during the period.
D.They are likely to threaten the lives of birds during their migration.