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搜题
【单选题】
甾体母核中的手性碳原子为
A.
C5,C8,C11,C13,C14,C17
B.
C5,C6,C8,C9,C13,C14
C.
C5,C6,C8,C9,C13,C14
D.
C5,C8,C9,C10,C13,C14
E.
C5,C8,C9,C10,C13,C17
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【单选题】Head tank should be used to remove ( ) from cooling water.
A.
chemicals
B.
gas
C.
sludge
【判断题】低乳酸值的间歇训练是发展无氧耐力的主要方法。
A.
正确
B.
错误
【单选题】The sludge tank installed in the diesel engine room is used to collect_______Isludge from the fuel oil settling tanks ad centrifuge IIwater that has been collected in the settling tank
A.
I only
B.
II only
C.
both I and II
D.
neither I or II
【单选题】The sludge tank installed in the diesel engine room is used to collect() Ⅰ.sludge from the fuel oil settling tanks ad centrifuge Ⅱ.water that has been collected in the settling tank
A.
Ⅰonly
B.
Ⅱ only
C.
bothⅠand Ⅱ
D.
neitherⅠor Ⅱ
【多选题】Why did William believe that he had a strong claim to the English throne after Edward the Confessor died?
A.
He was Edward ‘s cousin .
B.
Edward had promised him the English throne
C.
He was an English aristocracy
D.
He was the Duke of Normandy
【判断题】中继器的作用是放大所传输的信号。( )
A.
正确
B.
错误
【简答题】sludge,sedimentation tank,offensive,odor,settle out metabolize,biodegradable,生物膜,component,suspension,去除
【单选题】旅行社招徕旅游者组团旅游,因未达到约定人数不能出团的,组团社可以解除合同。但是,境内旅游应当至少提前( )日通知旅游者,出境旅游至少应当提前( )日通知旅游者。
A.
3   10
B.
5   15
C.
7   30
D.
10  40
【单选题】回族逐渐习惯以()作为本民族的语言。
A.
汉语
B.
藏语
C.
蒙语
D.
维吾尔语
【单选题】The sludge tank installed in the diesel engine room is used to collect_______I. sludge from the fuel oil settling tanks and centrifuge; II. Water that has been collected in the settling tank.
A.
I only
B.
II only
C.
both I and II
D.
neither I nor II
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