尿黑酸症是由酪氨酸在人体内非正常代谢而产生的一种疾病。其转化过程如下：
下列说法错误的是
| A．1mol酪氨酸能与含1molHCl的盐酸反应,又能与含2molNaOH的溶液反应 |
| B．酪氨酸能发生加成、取代、消去和缩聚反应 |
| C．1mol对羟苯丙酮酸最多可与4molH2反应 |
| D．1mol尿黑酸最多可与含3molBr2的溶液反应 |
Everybody was touched _____ words after they heard her moving story. 
| A．beyond | B．without | C．of | D．in |
One of the most important questions they had to consider was _____ of public health. 
| A．what | B．this |
C．that | D．which |
Encourage your children to try new things, but try not to ___ them too hard.
| A．draw | B．strike | C．rush | D．push |
The computer was used in teaching. As a result, not only__________, but students became more interested in the lessons. 
| A．saved was teachers’ energy | B．was teachers’ energy saved |
C．teachers’ energy was saved | D．was saved teachers’ energy |
The children all turned ____ the famous actress as she entered the classroom. 
| A．looked at | B．to look at |
C．to looking at | D．look at |