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【简答题】
步进电动机的驱动电源必须经过()放大器才能得到步进电动机所需的脉冲电流
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举一反三
【单选题】下列不属于抗骨质疏松药物降钙素的特点的是（）
A.
能够有效地降低椎体骨折的危险，但对非椎体的骨折没有确切的疗效
B.
有中枢的止痛效果
C.
副作用是容易发生过敏
D.
以上都对
【简答题】One Body Project participant says that the real motive of those who promote the perfect body is to ________.
【单选题】In the opinion of the author of the passage, Count Karlstein
A.
can be looked on as a perfect finishing touch to Pullman's trilogy.
B.
is not as well-written as the first two books in Pullman's trilogy.
C.
is comparable in depth and subtlety to the third volume of Pullman's trilogy.
D.
will be seriously criticized by the readers for lack of depth and subtlety.
【单选题】What can one do if one is going to visit a Japanese in Tokyo?
A.
One can wait for him at the nearest railway station.
B.
One can put on an advertisement to inform. him.
C.
One can look at the newspaper for his address.
D.
One can ask him to draw or send a map.
【单选题】下列不属于过敏性鼻炎病因的是()
A.
遗传因素:有变态反应家族史者易患此病。患者家庭多有哮喘、荨麻疹或药物过敏史
B.
鼻粘膜易感性:易感性的产生源于抗原物质的经常刺激,但其易感程度则视鼻粘膜组织中肥大细胞、嗜碱性粒细胞的数量和释放化学介质的能力
C.
传染性
D.
抗原物质的存在
【单选题】下列哪项不属于预防此反应发生的有效措施
A.
输血前预防性地给予抗过敏药物
B.
认真作好血型鉴定和交叉配血试验，保证结果准确
C.
输血前需由两人重新核对患者姓名、血型、交叉配血结果，相符时方可输入
D.
取回的血液不能剧烈振荡或加温
E.
输入的血液内不能加入其他药物
【简答题】下列不属于硫脲类抗甲状腺药的不良反应的是() A粒细胞缺乏症 B过敏反应 C消化道反应 D粘液性水肿 E甲状腺肿及甲状腺功能减退
【单选题】Only by diligence and honesty
A.
one can succeed in life
B.
can one succeed in life
C.
one can be succeeded in life
D.
can one be succeeded in life
【简答题】result importance factor diet off role afford Changes in the Diet of the Chinese There have been some changes in the (1) of t...
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