科学家研究CO₂ 浓度、光照强度和温度对同一植物光合作用强度的影响，得到实验结果如图．请据图判断下列叙述不正确的是（  ）

阅读上面短文，然后判断句子正( A )误( B)。
     A man saw a boy standing beside a lake with a mirror (镜子).“Excuse me,” he said, “but could you tell me what you're doing?”
   “I'm fishing.”
   “With a mirror? Could you tell me how it works?”the man asked.
   “OK, but I want five dollars.”
     The man wanted to know the secret very much, so he handed the boy the money.“Now show me how it works,” he said. “Well”, the boy began, “you hold (拿) the mirror towards the water, and when a fish goes by, the sunlight in the mirror gives him a surprise. He stops and doesn't know what to do, and then you catch him at once. ”The man was surprised, “Can you really catch fish with the mirror? How many did you catch?”
   “You're the fifth today!” replied the boy.

根据下列资料，选出正确的答案

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一位成功的雕塑艺术家说：“在创作时，我常想人民在想些什么，想要些什么，时代需要些什么，我该怎样做才能使作品既有时代性，又能震动人心。”艺术家的创作
①坚持了群众观点和群众路线           ②坚持了两点论与重点论的统一
③充分发挥了意识的能动作用           ④坚持了主观与客观具体的、历史的统一

唐朝时，蔬菜品种日益丰富，开始出现原产于地中海的莴苣、印度的刀豆、波棱国（今尼泊尔）的菠菜等。这一情况透露出唐朝（    ）