近年内，我国海军多次出色完成亚丁湾护航任务。这充分说明（   ）

请据此回答：

若 $f\left(x\right)=x^3+2x$ $f^{\text{'}}\left(x\right)$=  ____ 

    The weather is closely related(联系) to our life. It is all around us all the time. It is an important part of our lives. We cannot control it, but it often controls how and   1 we live, what we do, what we wear and what we eat. Read this passage and learn 2 about the weather.

      What is the weather?

      The weather is just the state of the atmosphere 3any time, such as temperature, wind, 4 ,sun,etc.

      What makes the weather change?

      As we know, not every place on the earth gets the same amount of sunlight. Some places get 5 sunlight, so it’s warmer in those places. However, some places get little  6 no sunlight in winter. Then those places have colder temperatures. These differences in temperature make the air and water7 around the earth. The movement helps to take the heat energy from the sun across the earth. So the  8  changes.

     What's the difference between weather and climate?

    Climate is a place's weather over a long time. The weather changes from day to day and  9 from hour to hour. It can be sunny in the morning and cold and wet in the afternoon. But the climate changes very   10over lots of years. 

把下列句子组成语意连贯的语段，排序最恰当的一组是（    ）

①立春这天，一项重要习俗就是“咬春”，又称“啃春”。

②吃春饼和春卷，是人们对“一年之计在于春”的美好祝福。

③ “立春”不仅是个重要节气，也是一个重大节日，中国民间将其称为立春节。

④北方吃的食品是春饼，而南方则流行吃春卷。

⑤除“咬春”外，中国民间还有“打春”习俗，又叫“鞭春牛”“鞭土牛”。

⑥这种方式体现了人们对五谷丰登的美好期盼。