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【简答题】
轴上键槽的侧面粗糙度是 。
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【单选题】德国牧羊犬,雄性,触诊肾区有避让反应,少尿。尿液检查:蛋白质阳性,比重降低。B 超检查显示双肾肿大。该犬所患疾病可能是
A.
急性肾炎
B.
肾性骨病
C.
急性肾衰竭
D.
慢性肾衰竭
E.
泌尿道感染
【单选题】MayflowerOn December 18, 1620, passengers on the British ship Mayflower came on shore at modern-day Plymouth, Massachusetts, to begin their new settlement, Plymouth Colony.The famous Mayflower story b...
A.
52 Mayflower passengers died of some illnesses
B.
Pilgrims had a good relationship with the locals
C.
Plymouth turned a main center for shipbuilding
D.
Pilgrims tried to plant corns and beans in winter
【多选题】马斯洛的需要层次理论包括哪些?()
A.
生理需要
B.
安全需要
C.
社会需要
D.
自我实现需要
E.
尊重需要
【单选题】有A、B、C、D四种金属,将A与B用导线联结起来,浸入电解质溶液中,B不易被腐蚀;将A、D分别投入到等浓度的盐酸中,D比A反应剧烈;将铜浸入B的盐溶液中无明显变化;将铜浸入C的盐溶液中,有金属C析出。据此可推知它们的金属活动性由强到弱的顺序为(    )
A.
D>C>A>B  
B.
D>A>B>C   
C.
D>B>A>C  
D.
B>A>D>C
【简答题】马斯洛的需要层次理论包括五种生理需要、安全需要、归宿和爱的需要、尊重的需要、()
【单选题】患儿女,1岁。消瘦,哭闹时青紫,平静后青紫消失,查体:胸骨左缘2—3肋间可闻及收缩期杂音,肺动脉瓣区第二心音亢进,并固定分裂。则该患儿最可能的诊断是
A.
房间隔缺损
B.
室间隔缺损
C.
动脉导管未闭
D.
法洛四联症
E.
主动脉狭窄
【单选题】患儿女,1岁,消瘦,哭闹时青紫,平静后青紫消失,查体:胸骨左缘2~3肋问可闻及收缩期杂音,肺动脉瓣区第二心音亢进,并固定分裂。该患儿最可能的诊断是
A.
室间隔缺损
B.
房间隔缺损
C.
动脉导管未闭
D.
法洛四联症
E.
主动脉狭窄
【单选题】MayflowerOn December 18, 1620, passengers on the British ship Mayflower came on shore at modern-day Plymouth, Massachusetts, to begin their new settlement, Plymouth Colony. The famous Mayflower story ...
A.
their belief was different from the official Church
B.
they built their own churches in a foreign country
C.
they lacked financial support from the government
D.
they were ambitious to build the colony in America
【单选题】有A、B、C、D四种金属,投入水中只有D反应放出氢气,将A投入C的盐溶液中可置换出金属C,B的最高价氧化物的水化物碱性比A的最高价氧化物的水化物碱性强,则四种金属的金属性强弱顺序正确的是 [     ]
A.
A>B>C>D
B.
D>B>A>C
C.
D>A>C>B
D.
C>A>B>D
【单选题】The famous ship called Mayflower arrived at the New Continent in .
A.
1620
B.
1607
C.
1492
D.
1670
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