如图表示夏季晴天，某植物放在密闭的玻璃罩内一昼夜CO2浓度的变化情况，假设5时日出，19时日落，玻璃罩内的植物生理状态与自然环境中的相同．用CO2测定仪测得了一天中该玻璃罩内CO2浓度的变化情况，绘制

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如图表示夏季晴天，某植物放在密闭的玻璃罩内一昼夜CO₂浓度的变化情况，假设5时日出，19时日落，玻璃罩内的植物生理状态与自然环境中的相同．用CO₂测定仪测得了一天中该玻璃罩内CO₂浓度的变化情况，绘制成如图所示的曲线，下列有关说法正确的是（）

A：FG段CO₂浓度下降不明显，是因为光照强度减弱，光合作用减弱

B：CO₂浓度下降从D点开始，说明植物进行光合作用是从D点开始的

C：BC段较AB段CO₂增加减慢，是因为低温使植物呼吸作用减弱

D：H点CO₂浓度最低，说明此时植物对CO₂的吸收最多，光合作用最强

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C

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   Li Lei is a student1 Class Two, Grade Seven. He likes football very2. He often plays it after school. And he often goes home3. His home is 4the school. His mother doesn't worry 5him.
   One Sunday morning Li Lei goes to a shop6his mother. The shop is very7. There are many things8it. They get some things. Then his mother says to Li Lei, "What do you 9?"
   "I want to get a red blouse," says Li Lei. "A red blouse?" asks his mother. "You are a10. You can’t wear a red blouse."
   Li Lei smiled"OK, please get me football clothes."

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