题目内容
（请给出正确答案）
[主观题]
Jenna wanted to hear what was wrong with her car in simple, everyday words. She was not fluent in the language of auto mechanics.
A、able to remember
B、able to teach
C、able to express oneself
D、able to invent
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是以原点为中心，2为边长的正立方体的表面的外侧, 则
