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【单选题】
Wearing a seat belt in a vehicle ______.
A.
reduces road accidents to more than half
B.
saves lives while driving at a speed up to 30 miles per hour
C.
reduces the death rate in traffic accidents
D.
saves more. than 15 000 lives each year
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【多选题】异丙肾上腺素的临床应用是
A.
支气管哮喘
B.
房室传导阻滞
C.
心脏骤停
D.
抗休克
E.
用于上消化道出血
【简答题】异丙肾上腺素的临床应用( )( )( )( )
【判断题】金属组织中晶粒度与其晶粒尺寸的关系是晶粒度越大、晶粒直径越小。
A.
正确
B.
错误
【单选题】金属组织中晶粒度尺寸的关系是( )。
A.
晶粒度越大,晶粒直径越大
B.
晶粒度越大,晶粒直径越小
C.
晶粒度与晶粒尺寸无关
D.
晶粒度与晶粒直径均不变
【单选题】2单元第7题短语
A.
p repared for
B.
is bound to
C.
stand up for
D.
in favor of
E.
speculate about
F.
in the company of
G.
in the form of
H.
are liable to
I.
invested ... with
J.
in succession Because of easy access to the Internet, the new breakthrough to create something truly creative _____ happen anytime now.
【判断题】1863年,世界上第一条用蒸汽机车牵引的地下铁道线路——伦敦大都会铁路在英国伦敦建成通车。
A.
正确
B.
错误
【简答题】2单元第7题短语 A. prepared for B.is bound to C. stand up for D. in favor of E.speculate about F.in the company of G.in the form of H.are liable to I. invested... with J. in succession Because of easy access...
【简答题】A. slaughter B. wound through C. likable D. came by E. indulge F.are opposed to G. absorbent H.at all cost I. willfully J. come away K. spurt L. frenzy ...
【单选题】1863年,世界上第一条地下铁道“大都会地铁”在( )正式建成并投入运营
A.
巴黎
B.
东京
C.
纽约
D.
伦敦
【简答题】什么是晶粒度?细化晶粒的方法有哪些?
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