问题
多项选择题
腰椎间盘突出症时，可以减轻椎间盘压力、促进髓核还纳的治疗方法是（）
A.给止痛剂
B.骨盆牵引
C.腰背肌锻炼
D.硬膜外注射皮质激素
E.卧硬板床
答案
参考答案：B, E
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腰椎间盘突出症时，可以减轻椎间盘压力、促进髓核还纳的治疗方法是（）
A.给止痛剂
B.骨盆牵引
C.腰背肌锻炼
D.硬膜外注射皮质激素
E.卧硬板床
参考答案：B, E
An analystdoes research about cash flow from operating and gathers the following information about a company:
| 2011 | 2010 | |
| Depreciation expense | $5000 | $4000 |
| Gain on sales of equipment | $900 | $0 |
| tax | $1987 | $1235 |
| Working capital | $40000 | $45000 |
A. subtracting $900.
B. adding $9100.
C. subtracting $9100.