近一段时期以来，全国多个地区发生重特大安全生产事故，造成极大的人员伤亡和财产损失。******强调，要结合“三严三实”专题教育活动，坚决落实安全生产责任制，切实做到党政同责、一岗双责、失职追责。对“党政同责”正确的理解是（    ）

①在党的领导下，政府切实履行保护公民生命安全及合法权益的职能

②党和政府都由人民代表大会产生，都对安全生产负有责任

③党和政府都要负起确保安全生产、维护社会稳定的行政责任

④确保安全生产、保障人民群众安居乐业是各级党委和政府必须承担的责任

课外活动小组同学在适宜的温度下，以葡萄为材料所做的几组实验（假设该植物在24小时内呼吸速率不变），结果记录如图所示，请分析回答下列问题．

（1）实验中影响葡萄植株光合作用的外界因素主要有____和____ 

（2）图一的实验结果表明，在栽培农作物时要注意____ 

（3）经检测，葡萄植株一昼夜的CO₂净吸收量为250mg，图二中阴影部分所表示的CO₂吸收量应____ （填“大于”、“等于”、“小于”） 250mg，则该植株一昼夜内通过光合作用固定的CO₂总量是____  mg．

（4）图二中C点与D点相比，叶绿体中C₃含量的变化是____ ，直接原因是____ 不足．若适当增加植株生长环境中CO₂的浓度，图二中的B点将向____ （填“左”或“右”）移动．

任务型阅读

    As we know, everyone can make mistakes, but don't worry about it. The following is what we should do when we make mistakes.

    ● Just admit (承认）it. Don't think that our mistakes are caused by others. ____ Don't blame other people, and don't cheat ourselves, either.

    ●____ In order to stop the problem from getting worse, we should act quickly to solve it. If we don't act and deal with the problem quickly, it'll only make us feel more stressed. Also it is necessary to make a plan of action and correct the mistake according to it. ____

    ●____ Those who have made the most mistakes can get an A, for they are the ones who have learned the most. The more we learn from our mistakes, the cleverer we are.

    ●____What caused us to make the mistake? How can we avoid making the same mistake in the future? When we act with a method to get a good result, do it that way next time. If we don't, we should stop, think about it, change it and try again.

A. Don't be afraid of failure.

B. Realize that making mistakes is the best way to learn.

C. Solve it at once.

D. Be brave and face the fact that we have made the mistakes.

E. So be away from stress.

F. Think about what we can learn from our mistakes.

G. So decide quickly and act.