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【单选题】
(3.2 D)使用洋地黄时,当患者心率低于多少应考虑停药
A.
80次/分
B.
70次/分
C.
60次/分
D.
50次/分
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举一反三
【单选题】What do we learn about Dr. Yuka Sasaki doing her research?
A.
She found birds and dolphins remain alert while asleep.
B.
She found birds and dolphins sleep in much the same way.
C.
She got some idea from previous studies on birds and dolphins.
D.
She conducted studies on birds' and dolphins' sleeping patterns.
【多选题】关于储蓄率的变化对经济增长的影响,下列说法中正确的是(多选)
A.
储蓄率的提高会使得人均消费骤然减少
B.
储蓄率的提高会使得人均投资骤然减少
C.
储蓄率的提高会使得人均产量逐渐增加直至新的稳态点
D.
储蓄率的变化具有增长率效应和产出效应
【单选题】What do we learn about the authors of the book?
A.
They are professional advice givers
B.
 They have made a series of safety guides
C.
 They have written several other books
D.
 They have been invited to make movies
【多选题】绝对权威型的学前儿童家长对孩子的特点( )
A.
父母往往按照一套硬性的规范
B.
强调权威
C.
要求孩子绝对服从和尊崇
D.
溺爱孩子
【单选题】... Winter may be a bad time for thin people ... .They might feel unhappy during cold weather. But fat people ... prefix="o" ns="urn:schemas-microsoft-com:office:office" What can the weather influence...
A.
Intelligence
B.
Health
C.
Feelings
【单选题】以下哪个反射在新生儿期不存在
A.
颈立直反射
B.
降落伞反射
C.
张口反射
D.
交叉伸展反射
E.
觅食反射
【简答题】Directions: After reading the following passage , you will find 5 incomplete statements n umb ered 1 to 5.You s h ould c omple te th e statements ac c o r ding to the passage wi t h no more than 3word...
【简答题】与不考虑屈曲后强度的梁相比,考虑屈曲后强度的梁,其腹板的抗剪承载力 ,抗弯承载力 。
【简答题】Activity1 Directions: Work in pairs. Listen to your partner and fill in the blanks. ______1_______, ladies and gentlemen!_______2_______Jenny Cheng. I am your new English teacher. I ______3______Yun...
【单选题】用比重瓶法测定某一供试品在20℃时的相对密度,样品与比重瓶为S1g,干燥恒重的空比重瓶重为S0g,纯化水的重为Wg,该供试品的相对密度d为( )。
A.
d= (S1- S0)/W
B.
d= (S0- S1)/W
C.
d= (W - S0)/ S1
D.
d= (W – S1)/ S0
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