制定一次性劳动定额时，通常采用 ______。
A．技术测定法
B．统计分析法
C．测时法
D．经验估计法
参考答案：D
The moment he stepped out of the hall, he was ___ by the fans and was asked to sign his name in their notebooks.
下列药物中可诱发支气管哮喘的是
A．硝普钠B．洛贝林C．酚妥拉明D．酚苄明E．普萘洛尔
