【单选题】某施工单位(无相应的起重机械安装资质)向租赁公司承租了一台塔式起重机用于现场施工,在使用过程中,该塔机需要进行顶升作业,由于原安装单位因故不能来到施工现场,施工单位在没有专项施工方案的情况下,组织了本单位的部分设备管理及技术人员自行进行塔机顶升作业。作业过程中不幸导致塔机倾翻,并造成重大伤亡事故。请根据上述情况回答下列问题:建筑起重机械在使用过程中需要附着的,使用单位下列做法()是不正确的。
B.
应当委托具有相应资质的安装单位按照专项施工方案实施
【单选题】男性,28 岁,突发上腹部疼痛,蔓延至全腹8h ,腹痛呈持续性。体查:患者呈舟状腹,全腹有明显压痛及反跳痛,肝浊音界缩小,移动性浊音(土),肠鸣音消失。血常规:WBC 15 x 109 / L , N 0 . 9 。此患者最适当的处理为
【单选题】History of the Solar CalendarA Solar Calendar is a way of measuring and recording periods of time.It takes for the Earth to revolve around the Sun. With the help of the solar calendar, we can predict ...
A.
There are 365 days in a solar calendar year.
B.
In a Lunar calendar, there are 384 days.
C.
A solar calendar will shift very quickly.
D.
There is an additional day during solar year.
【单选题】History of the Solar CalendarA Solar Calendar is a way of measuring and recording periods of time.It takes for the Earth to revolve around the Sun. With the help of the solar calendar, we can predict ...
A.
The solar calendar was first developed by the Egyptians.
B.
The solar calendar coincides with the yearly flooding of the Nile River.
C.
In the Western World, the definition of the year is based on the Earth’s revolution around the Sun.
D.
A Tropical Year lasts 365.256366 days UT.
【简答题】2)写出下列汉语的英语形式 (1)噪音污染—— (2)空气污染—— (3)水污染—— (4)陆地污染—— (5) 河底—— (6)给......写信—— (7)把......打扫干净—— (8)充满、装满—— (9)减少,降低—— (10)好处 —— (11)坏处—— (12)木头n—— (13) 木头的 adj—— (14)塑料袋—— (15)影响—— (16) 导致,引领—— (17) 太多的...
【单选题】Ir has not been common at Earth’s since the very beginning of the planet’s history. Because it usually exists in a metallic state, it was preferentially incorporated in Earth’s core as the planet cool...
【简答题】一弹簧测力计下挂一圆柱体,将圆柱体从盛水的烧杯上方 离水面某一高度处缓慢下降,然后将圆柱体逐渐浸入水中.如 图是整个过程中弹簧测力计的示数 F 与圆柱体下降高度 h 变化关 系的图象.下列说法正确的是( ) A .当圆柱体刚好全部浸没时,下表面受到水的压强为 700pa B .圆柱体受到的重力是 10N C .圆柱体受到的最大浮力是 4N D .圆柱体的密度是 1.5 × 10 3 kg/m 3...
【简答题】By measuring, the peak rises to 40 meters high, and if adding the height of its base together, the whole peak will be 60 meters high.