某缸火花塞间隙过小，会造成（）
A.次级高压过高
B.燃烧电压过高
C.次级高压过低
参考答案：C
He was wearing his dark glasses to _____ his eyes from the strong sunlight. [ ]
A. defend
B. protect
C. prevent
D. stop
领导行为理论认为，天资聪明的人应当成为领导者。（）
