问题
写作题
| 书面表达。 | ||||||||
| 在学校操场上，班卜一位同学拾到一什school T-shirt，清你根据所提供的材料，进行推测分析，看这件衣服有可能是谁的。 所提供的线索： 1.There is a credit card(信朋K). 2. There is a photo of Jackie Chan who is a famous movie star. His Chinese name is Cheng Long. 3. There is a hair band in the pocket.
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答案
Oh, look! There is a 'r-shirt here. It's a school T-shirt. Then, the person must go to our school. Maria and Sally lost
their T-shrts. Could it be Maria's or Sally's? There is a hair band in the pocket. But both of them have long hair. There
is a photo of Jackie Chan in the pocket. Sally likes Cheng Long very much, but Maria's favorite is Sun Yanzi. So, it could
be Sally's. There is a credit card too.Then; it must be Sally's school T-shirt. She has long hair, she likes Cheng Long, and
she is the only person who has a credit card in our class.
答案不唯一
2ＮＯ２，2ＮＯ２
Ｎ２Ｏ４。所得混合气体中ＮＯ２的体积分数为40％，混合气体的平均相对分子质量。