题目

下列事实与解释相符的是 A．氧气可用于焊接金属——氧气具有可燃性 B．制糖业用活性炭脱色制白糖——活性炭具有吸附性 C．房屋失火，消防队员用高压水枪灭火——降低了可燃物的着火点 D．空气中CO2体积分数达到4％～5％时，会使人感到头痛、眩晕——O2有毒 答案：B请仔细阅读下面的短文，把A、B、C、D四个选项还原到文章空白处，并回答第5小题。Do you often make a resolution on New Year's Day？What will you do next for it？If you have a great resolution，it will be good for your life and study.Here is some advice on how to make a good resolution.__1__Holding a goal isn't enough.You need to think out some clear steps(清晰的步骤)for the resolution.So make your plan.A good plan will tell you what to do next and how to accomplish(实现)the goal at last.Making a plan is very important.__2__If you make your plan later，you may forget your resolution gradually(逐渐地)．It's important that you begin making your plan right now.__3__You should write down your resolution and plan in some place，such as a notebook or your diary.__4__Nothing big can be finished in one day.You make a resolution in one day.It doesn't mean you must finish it in one day.It may need a hundred small steps.The New Year's resolution should be a starting point.You must keep a habit for accomplishing your resolution gradually.A．Write Down Your Resolution and PlanB．Think “Year Round”，Not Just New Year'sC．Plan for the ResolutionD．Make Your Plan Right Now1.____2.____3.___4.____5.The passage is mainly about ________.A.what a good resolution is B.how to make a good resolutionC.when to make a New Year's resolution D.why we need a resolution