下列哪种偏倚在队列研究中见不到（）
A.错分偏倚
B.奈曼偏倚
C.失访偏倚
D.混杂偏倚
E.信息偏倚
参考答案：B
As a senior student, I am determined to work harder in order to___the desired university.
A．admit by
B．be admitted by
C．admit into
D．be admitted into
老人夜间躺卧后可以为老人关闭床旁呼叫器。
