如果一个燃油量探头失效，将会发生什么情况（）
A.相关的燃油箱油量指示灯亮
B.油量指示消失
C.油量指示保持不变
参考答案：C
We will fly a kite as soon as you ______ your homework. [ ]
A. finish
B. will finished
C. has finished
D. finishes
简述操作技能和心智技能的区别。
