链霉素最主要的毒性反应是()
A.胃肠道反应
B.球后神经炎
C.骨髓抑制
D.肝损害
E.听神经损害
参考答案:E
解析:链霉素最主要的毒性反应是听神经的损害。
A.等于100°C
B.小于100°C
C.大于100°C
D.都有可能
The calculation of the income recognized in the third year of a five-year construction contract accounted for using the percentage-of-completion method includes the ratio of:()
A. costs incurred in year 3 to total estimated costs.
B. total costs incurred to date to total billings to date.
C. total costs incurred to total estimated cost.