下列关于色彩互为补色的对应关系正确的选项有（）。
A.红与绿
B.红与黑
C.黄与紫
D.橙与蓝
E.黄与蓝
参考答案：A, C, D
Lincoln’s mother did ___ many books ___ him.
A．what she had buy, to
B．what she could buy, for
C．all that she had to buy, to
D．all she could buy, for
燃料系统主要作用是（）。
A.提供适量清洁燃气
B.参与空燃比控制
C.响应负荷的变化
D.配合发动机启动和停机
