题目内容

种子发芽试验时,仪器的温度变幅不应超过±()

A. 1℃
B. 2℃
C. 3℃
D. 4℃

查看答案
更多问题

地层压力不变,当钻井液密度提高后,井底压差()。

A. 减小
B. 不变化
C. 增加
D. 不确定

保尔邻居加莉亚相信保尔的工作是有意义的,并答应做他的“秘书”,帮助他工作。

A. 正确
B. 错误

路局LKJ分析标准中对开车分析的规定:以()在降级状态下按压开车键为标准,禁止在()状态下开车。

The edge of a hurricane has overtaken your vessel in the Gulf of Mexico,and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the().

A. navigable semicircle
B. dangerous semicircle
C. low pressure area
D. eye of the storm

答案查题题库