问题
单项选择题
下列哪一项不是人工关节置换术的目的
A．缓解疼痛
B．矫正畸形
C．改善功能
D．保留关节
E．提高生活质量
答案
参考答案：D
解析：既然说置换，就是把人体原有的关节换成人工关节，所以谈不上保留关节。
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下列哪一项不是人工关节置换术的目的
A．缓解疼痛
B．矫正畸形
C．改善功能
D．保留关节
E．提高生活质量
参考答案：D
解析：既然说置换，就是把人体原有的关节换成人工关节，所以谈不上保留关节。
| 选出一个适当的词语替换句子中的划横线的部分。 |
| 1. He spent plenty of money on books. |
[ ] |
| A. many B. lots of C. a little D. a lot |
| 2. Don't worry. He'll come back in no time. |
[ ] |
| A. sometimes B. without time C. very soon D. from time to time |
| 3. The police searched for him for quite a long time but could not catch him. |
[ ] |
| A. looked for B. found C. noticed D. searched |
| 4. My mother enjoys music very much. |
[ ] |
| A. is like B. joins C. is good at D. loves |
| 5. On both sides of the road are green trees. |
[ ] |
| A. On all sides B. On neither side C. On either side D. On any side |
C(g)＋D(g)过程中的能量变化如图所示，下列说法正确的是(双选) ( )。