feared: the wheel bearing（轴承）was failing. 可知Steinkamp的汽车车轮轴承需要修理，故选C。

【6题详解】

推理判断题。根据"I must have looked pretty stressed out at this time because Glenn then reached into his pocket,pulled out the keys to HIS vehicle and said 'Take my truck and get going,'" Steinkamp wrote in a Facebook post.可推断出Glenn Geib热心又慷慨，故选D。

【7题详解】

主旨大意题。最后一段"The 74-year-old mechanic turned a terrible day into a good one with a great lesson." Steimkamp wrote, "Just be kind and help if you can."是全文的主题句，结合全文内容，可知这篇文章主要讲了不经意的善举却会对别人产生很大的影响，故选D。

　　With all the wars, fighting and sadness in the world today, it's not only necessary, but also essential to have a good sense of humor just to help us get through each and every day of our lives. Putting a smile on someone's face when you know they are feeling down in the dump, makes me feel good and warms my heart.

　　How would you feel if you could not joke around with your wife, husband, child, co-worker, neighbor, close friends, or even just someone that you are standing in line with at your corner store? I am always saying things that make others smile or laugh, even if I don't know the person I'm joking around with. My Grandma always found humor in everything she did, even if it was the hardest job anyone could imagine. This not only relieves stress in any situation, but also is common courtesy(礼貌)to speak to others that are around you.

　　I know of a few people that don't have a funny bone in their bodies, as they say. Everyone around them could be rolling on the floor after hearing a great joke and they would sit there without the slightest smile on their face. They don't get the joke that makes others laugh. I am busting a gut while they just sit there, looking at me as if I were from outer space. How can people not get a really funny joke?

Laughing is essential to keep your stress levels under control. Without humor