甲公司将其塔式起重机租给乙公司使用，乙公司却将该塔式起重机卖给丙公司。依据我国《合同

以苯酚为原料合成 的路线如下所示。请按要求作答

（1）写出鉴别苯酚与A这2种有机物的有关反应方程式，并用必要的文字说明：

                                                                      。

（2）写出以下物质的结构简式：

B                      ，F                        。

（3）写出反应④的化学反应方程式：

④                                                           ，

（4）反应⑤可以得到E，同时可能得到的副产物的结构简式为                    。

Tragedies have a way of making people rethink their (1) and find a new focus. They make people think about what a society needs in order to (2) . The notion of doing something to take control of society or of our fate as humans might be dated back to ancient times of the (3) . Now, in the early 21st century, " social (4) " are trying to take back some (5) over society’s direction once again. A social inventor is not necessarily a social (6) , a social (7) or someone who works in a (8) industry or invents new (9) and consumer products. A social inventor is using the power of (10) thinking, to come up with ideas for (11) in certain communities or sections of society. They have a vision of a (12) world and create new systems or practices. Their ideas may seem (13) or impossible. They are usually quite (14) people. But some of these creative thinkers have (15) and quietly changed the way we live. Social inventions do not have to be (16) . Sometimes they are new (17) for neighborhoods or communities, or even very (18) ideas. The idea of social inventions has become so popular in recent years. It shows how much people desire to make a (19) in our society and not remain (20) .

Tragedies have a way of making people rethink their (1) and find a new focus. They make people think about what a society needs in order to (2) . The notion of doing something to take control of society or of our fate as humans might be dated back to ancient times of the (3) . Now, in the early 21st century, " social (4) " are trying to take back some (5) over society’s direction once again. A social inventor is not necessarily a social (6) , a social (7) or someone who works in a (8) industry or invents new (9) and consumer products. A social inventor is using the power of (10) thinking, to come up with ideas for (11) in certain communities or sections of society. They have a vision of a (12) world and create new systems or practices. Their ideas may seem (13) or impossible. They are usually quite (14) people. But some of these creative thinkers have (15) and quietly changed the way we live. Social inventions do not have to be (16) . Sometimes they are new (17) for neighborhoods or communities, or even very (18) ideas. The idea of social inventions has become so popular in recent years. It shows how much people desire to make a (19) in our society and not remain (20) .

北京故宫博物院珍藏的扬州制作的一件玉山，在扬州琢制为时6年，用工时15万个，耗银15000余两，堪称稀世珍品。请说出这件玉山的名称？

口腔护理擦洗顺序正确的是（）。

A.左上内侧舌面、左上咬合面，左下内侧舌面、左下咬合面

B.左上内侧舌面、左下内侧舌面，左上咬合面、左下咬合面

C.左上内侧舌面、右下内侧舌面，左上咬合面、右上咬合面

D.右上内侧舌面、右下内侧舌面，右上咬合面、右下咬合面

E.右上内侧舌面、右上咬合面，左下内侧舌面、左下咬合面