监理员有参加总监理工程师组织的定期或不定期对承包单位的安全、消防、环境、文明施工检查工作,并做好检查记录的职责。
参考答案:对
Though he doesn’t achieve his goals, he is not a failure.___, he is remembered as a true hero.
A.In particular
B.On the contrary
C.Generally speaking
D.To be honest
丙烯酰胺的半数致死量为()。
A.150-180ug/kg
B.250-280ug/kg
C.280-300ug/kg
D.300-320ug/kg