泰雅紫是古代地中海沿岸出产的一种贵重染料，罗马帝王用法律规定，只有皇族与教主可穿用这种染料染的紫色衣袍。当时人们是从小的紫蜗牛中提取泰雅紫的，制备1.5 g泰雅紫需要多达12000只紫蜗牛，现知其结构为如下图所示的含溴有机化合物，下列说法不正确的是( )
| A．泰雅紫分子的分子式为C16H8N2Br2O2 |
| B．1 mol泰雅紫与H2加成最多需9 mol H2 |
| C．泰雅紫属于烃的衍生物 |
| D．检验泰雅紫中溴元素可直接加入硝酸银溶液，观察是否有浅黄色沉淀生成 |
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |
They use computers to keep the traffic _______ smoothly.
| A．being run | B．run | C．to run | D．running |
If you leave the club, you will not be_____back in .
| A．received | B．admitted | C．turned | D．moved |
What I need is_____ book that contains ______ABC of oil painting.
| A．a; 不填 | B．the; 不填 | C．the; an | D．a ; the |