An inflatable liferaft is thrown into the

题型:单项选择题

问题:

An inflatable liferaft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?()

A.The sea anchor deploys

B.The floor inflates

C.If upside down,the craft rights itself

D.The painter detaches from the raft

考点:航海英语应急部署应急部署题库
题型:单项选择题

女,44岁,右下肢麻木,左下肢乏力1年。查体:双侧T8以下痛、温觉减退,左下肢肌力Ⅲ级,右下肢肌力Ⅳ级,左侧巴氏征阳性。

该病变常见部位为()

A.颈

B.胸

C.腰

D.骶

E.尾

题型:单项选择题

多项式-3xy2+x的次数是______.

题型:单项选择题

患者体内有Vit B12辅助因子的抗体,此抗体可使肠道Vit B12吸收障碍,该种贫血属于

A.ABO血型不符

B.新生儿溶血症

C.自身免疫性溶血性贫血

D.恶性贫血

E.药物过敏性溶血性贫血

题型:单项选择题

异烟肼抗结核作用的特点不包括

A.抗菌作用强大

B.对结核杆菌有高度选择性

C.穿透力强,可渗入纤维化病灶中

D.结核杆菌不易产生耐药性

E.治疗量时不良反应较少

题型:单项选择题

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