酚酞,别名非诺夫他林,是制药工业原料,其结构如图所示,有关酚酞说法不正确的是
| A.分子式为C20H14O4 |
| B.可以发生取代反应、加成反应、氧化反应 |
| C.含有的官能团有羟基、酯基 |
| D.1mol该物质可与H2和溴水发生反应,消耗H2和Br2的最大值为10mol和4mol |
I’m sure that your letter will get______ attention. They know you’re waiting for the reply. 
| A.continued | B.immediate | C.careful | D.general |
All the dishes in this menu, ______ otherwise stated, will serve two to three people. 
| A.as | B.if | C.though | D.unless |
The children loved their day trip, and they enjoyed the horse ride ______.
| A.most | B.more | C.less | D.little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A.was | B.had been | C.has been | D.will be |
Charles was alone at home, with_______ looking after him.
| A.someone | B.anyone | C.not one | D.no one |