最近一段时期以来，国际经济形势错综复杂、扑朔迷离。***强调各部门务必要主动作为，对于国务院确定的政策措施，一定要落实、落实、再落实！决不能光说不干、“耍嘴皮子”！中国经济是干出来的，不干，一切都谈不上！”由此可见（    ）

①政府要切实履行好自己的职能

②政府要提高执政能力与水平

③政府是人民的政府，是国家权力机关

④政府要提高政府的公信力

现在园艺师们往往将李子、杏 等果树修整成主干突出，侧枝层次分明、呈螺旋状均匀着生在主干上的树形。“有空就有枝，有枝就有果”，是对该树形的最佳描述。由此我们可以想到该树形丰产的主要原因是（　　）

    I spent last summer volunteering at a hospital.It was a gift to 1so many amazing people and I'd like to share one of these moments.One day，I was called to a room where a(n)2woman was staying. Usually I helped with3who were ready to leave.Instead，she 4to go to the gift shop.I got a 5，helped her into it，and headed down to the entrance.

    When we got there，it wasn't open yet.After a 30-minute 6，we entered the gift shop.As I pushed her around，I could see the 7in her face as she looked at everything，happy to be out of her room.She 8some window decorations，and then saw chocolates.

    She asked me to push her in that 9，and then I helped her10all the different chocolate arrangements.11 she decided on three different boxes.

    She told me to write the numbers 1，2，and 3 on the boxes.She 12that the nurses were taking such good care of her，so she13chocolates for each of the three shifts of nurses.As we gave the current shift of nurses their box of chocolate，they14offered some to me before taking some themselves.

    There were15all around.Witnessing the old lady's16and getting the opportunity to spend time with someone who got so much joy from life was a17in itself. I have so many more stories，and each person made an impact on my life. I've 18that health has a way of bringing people together.19is a blessing，and being in a place where health is so 20and appreciated is unlike anything else.

直线经过点A（2，1），B（1，m²）两点（m∈R），那么直线l的倾斜角取值范围是（    ）