题目

在密闭容器中充入一定量的NO2 ， 发生反应2NO2（g） N2O4（g）ΔH=﹣57 kJ•mol﹣1在温度为T1、T2时，平衡体系中NO2的体积分数随压强变化的曲线如图所示。下列说法正确的是（） A . a、c两点的反应速率：a＞c B . a、b两点的转化率：a＜b C . a、c两点气体的颜色：a深，c浅 D . 由a点到b点，可以用加热的方法In front of the big Shibuya train station in Tokyo, there is a life-size bronze (青铜) statue of a dog. Even though the statue is very small when compared to the huge neon (霓虹灯) signs flashing, it isn’t   21  to find. It has been used as   22  since 1934 and today you will find hundreds of people waiting there for their friends to   23 —just look for the crowds（人群）. Hachiko, an Akita dog, was born in 1923 and brought to Tokyo in 1924. His owner, Professor Eisaburo Uyeno and he were close friends that cannot be   24  right from the start. Each day Hachiko would go with his owner, a professor at the Imperial University, to Shibuya train station when he left for work. When he came back, the professor would always find the dog   25  waiting for him.   26 , the professor died suddenly at work in 1925 before he could return home.   27  Hachiko was still a young dog, the bond between him and his owner was very strong and he   28  to wait at the station every day. Sometimes, he would stay there for days at a time, though some believe that he kept returning because of the food he was given by street vendors. Over time he became a   29  sight to people going to and from work every day. In 1934, a statue of him was put   30  the station. In 1935, Hachiko died at the place he last saw his friend alive. 1.                A．difficult         B．important       C．pleasant D．polite 2.                                  A．a parking place   B．a training center C．a starting line                      D．a meeting point 3.                A．leave          B．arrive          C．die D．work 4.                A．touched        B．separated       C．reached D．moved 5.                A．nervously       B．disappointedly    C．patiently  D．carefully 6.                A．Sadly          B．Clearly          C．Luckily   D．Honestly 7.                A．Because        B．Since           C．Although  D．Unless 8.                A．decided        B．agreed         C．offered   D．continued 9.                A．familiar         B．strange         C．comfortable   D．funny 10.               A．inside          B．outside         C．behind    D．above