A:乙炔、乙烯、苯都能使溴水褪色,其褪色原理相同,都发生加成反应
B:植物油通常呈液态,主要成分是高级脂肪酸甘油酯,不易发生变质
C:CH3COOCH2 的同分异构体中含有苯环且属于羧酸的有13 种
D:蛋白质属于高分子化合物,在福尔马林作用下可发生变性
根据短文内容回答下列问题。
Why do you remember Hello Kitty, Snoopy and all the other playful animals? What makes you love them? Well, maybe because they're like the people around you. Think about it! You may just find a friend or classmate who is like them. Is he or she:
As sweet as Hello Kitty: She likes to eat cakes. She loves to make new friends She asks friends to her tea parties. She is warm and sunny and always help you.
As clever as Snoopy: He went to school when he was nine. He learned to use a typewriter in two years! He thinks a lot. He is so clever that you like to be with him.
As sarcastic(讽刺的)as Garlfield: He sits happily in the seat and says sharp words to you. Sometimes he is not nice. He doesn't really like you? He thinks you're a fool? No, in his heart, he loves you. He is a friend with hard words but a warm heart.
As naughty as Mashimaro: He doesn't look like a good boy. He has sleepy eyes and looks naughty. He always plays tricks on people. So you get angry with him and don't like him very much. His mind is active and full of ideas. He tries to be big and catch your eyes. But he's still a child.
阅读材料,回答问题
材料一:2016年8月23日中国科学院宣布,我国自主研制的“海斗”号无人潜水器最大潜深达10767米,使我国成为继日、美两国之后第三个拥有研制万米级无人潜水器能力的国家。
材料二:2016年9月15日我国第一个真正意义上的太空实验室﹣﹣天宫二号空间实验室,在酒泉卫星发射中心成功发射;2016年10月17日7时49分,神舟十一号载人飞船,在酒泉卫星发射中心发射升空后准确进入预定轨道,顺利将2名航天员送上太空。18日凌晨3时31分,与天宫二号顺利交会对接,形成组合体。这是中国航天的又一历史性时刻。
材料三:2016年8月18日,第31届全国青少年科技创新大赛在上海落幕。各种酷炫又与生活密切相关的科技创意展示了中国“创新少年”的“最强脑洞”。请根据材料回答:
已知a>0.b>0,,a,b等差中项是12,且α=a+1a,β=b+1b, ,则α+β最小值( )
骨组织的营养物质供应主要依靠骨膜中的血管.(判断对错)