制动灯开关串联与制动灯电路，当汽车制动时接通电路点亮制动灯。
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指出下列句子的所属类型。No plant flowered in the garden, but a few bulbs were pushing green spikes above the ground.
A. 简单句
B. 复合句
C. 并列句
D. 并列复合句
指出下列句子的所属类型。The family made a weekend excursion to a camp ground.
A. 简单句
B. 复合句
C. 并列句
D. 并列复合句
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