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【单选题】
鲎试剂用于检查的是
A.
热原
B.
无菌
C.
异常毒性
D.
细菌内毒素
E.
降压物质
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【单选题】What does the phrase 'to keep its feet to the fire' in the last paragraph mean?
A.
To place Apple's feet close to the fire.
B.
To pressure Apple into intensifying its competition
C.
To force Apple to dance hard on the fire.
D.
To advise Apple to strategically drop its side products.
【单选题】给家兔静脉注射 20% 葡萄糖 5ml,尿量增加的主要原因是
A.
肾小球有效滤过压升高
B.
血浆晶体渗透压升高
C.
小管液渗透压升高
D.
ADH 分泌增多
E.
醛固酮分泌增多
【多选题】下列有关工程网络计划的叙述,正确的是()。
A.
总时差为零的工作为关键工作
B.
关键线路上允许有虚工作和波形线的存在
C.
网络计划中以终点节点为完成节点的工作,自由时差与总时差相等
D.
自由时差为零时,总时差必为零
E.
除了以网络计划终点为完成节点的工作,其他工作的最迟完成时间应等于其紧后工作最迟开始时间的最小值
【单选题】What does the underlined word“collapsed” probably mean? ( )
A.
Were destroyed
B.
Caught fire
C.
Were flooded
D.
Sank
【单选题】下列与实验操作相关描述中,正确的是
A.
少量液体药品用量筒量取后,可直接在量筒中进行下一步的反应,以避免液体转移所造成的损失。
B.
锥形瓶只能用于滴定,不能作为反应容器。
C.
同时用两只以上的同型号烧杯进行实验,为了便于区别,应给各个烧杯编号。
D.
定性滤纸即用于过滤沉淀,也可以用于精密定量分析过程中的灼烧。
【单选题】Her cheeks seemed to be on fire . What does the underlined part mean?
A.
to be angry like burning fire
B.
to be ill like burning fire
C.
to be excited like burning fire
D.
to be nervous like burning fire
【单选题】What kind of information does the fire plan contain?
A.
 Location of firefighting equipment onboard
B.
How to use firefighting equipment onboard
C.
 Information on how handle different types of fires
D.
 Fire alarm signal, fire instruction and your assignment
【单选题】What kind of information does the fire control plan contain?
A.
Fire alarm signal, fire instruction and your assignment.
B.
Location of firefighting equipment onboard
C.
How to use firefighting equipment onboard
D.
Information on how to handle different types of fire.
【单选题】What does FIRE procedure mean?
A.
Find, isolate, report and extinguish.
B.
Fire, isolate, repeat and extinguish.
C.
Find, isolate, repeat and extinguish.
D.
Fire, isolate, raise alarm and extend.
【单选题】在等边三角形ABC中,CD是∠ACB的平分线,过D作DE ∥ BC交AC于E,若△ABC的边长为a,则△ADE的周长为(  )
A.
2a
B.
4 3 a
C.
1.5a
D.
a
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