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【单选题】
在应用观察法调查中，容易使被观察者出于维护自身或他人的利益、形象等原因而掩盖一些材料信息，使调查结果不全面或失去真实性的观察方法是（）A.
完全参与观察
B.
不完全参与观察
C.
非参与观察
D.
亲身观察
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举一反三
【简答题】链表结点由两个域组成:( )用来存储元素数值数据,( )用来存储直接后继结点的存储位置。
【多选题】关于脑卒中，下列哪项有误
A.
出血性脑卒中，多在安静或睡眠中发病
B.
缺血性脑卒中主要是脑血管阻塞而引起血流障碍所致
C.
脑卒中具有发病率高、致残率高、死亡高的“三高”特点
D.
缺血性脑卒中，多在活动中突然起病
E.
出血性脑卒中主要是由脑内血管破裂出血所致
【单选题】At first she thought he was joking. It took Jason twenty minutes to convince her that he was .
A.
earnest
B.
genuine
C.
serious
D.
real
【单选题】Before a child can learn a musical instrument he or she first needs to acquire the necessary ______ skills.
A.
perceptive
B.
operative
C.
jeopardous
D.
manipulative
【单选题】At first she thought he was joking. It took Jason twenty minutes to convince her that he was ________.
A.
earnest
B.
genuine
C.
real
D.
serious
【单选题】At first she thought he was joking. It took Jason twenty minutes to convince her that he was ______.
A.
earnest
B.
real
C.
genuine
D.
serious
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