账务类凭证的主要种类有：（） A.个人开户申请书 B.个人业务凭条 C.个人业务收费

关于杂病的治疗原则，《金匮要略》首篇除提出治未病外，还提出了（）

A.虚实必须异治

B.表里当分缓急

C.新久治分先后

D.攻邪当随其所得

E.表里双解

假定父亲有耳垂(Aa)，母亲无耳垂(aa)，这对夫妇生出无耳垂的孩子的可能性是[ ]

A．1/4

B．1/2

C．3/4

D．0

对下列疾病检查有意义的试验，原发性血小板减少性紫癜

A．纤维蛋白肽A测定
B．骨髓细胞学检查
C．简易凝血活酶生成试验
D．血小板抗体PAIgG检测
E．血小板黏附及聚集功能测定

A random sample of shoppers responded to the questions contained in a marketing survey. Six months later, another random sample of shoppers responded to exactly the same questions, except that the questions were now arranged in a different order. The pattern of responses to many individual questions was greatly different, thus demonstrating that a question will sometimes elicit different responses depending only on what question precedes it.
The argument above depends on which of the following assumptions

A．The reordering of the questions did not put each question in a different sequential position from its position six months previously.

B．Shoppers who respond to a marketing survey do not generally remember six months later what responses they gave.

C．There was no motive for the second survey except that of discovering whether the ordering of the questions mattered.

D．The survey was not composed of questions to which shoppers would give different responses at different times of the year.

E．(E) The first sample of shoppers did not have any individuals in common with the survey sample of six months later.

今年所有向甲大学申请奖学金的学生同时也向乙大学申请奖学金。甲、乙两所大学各同意给予半数的申请者每人一个全奖。因此，所有这些申请者就都获得了一份全奖。
上述推论基于以下哪项假设

A．所有申请者既符合甲大学的入学要求，又符合乙大学的入学要求。
B．所有的申请者都愿意接受甲、乙大学的奖学金资助。
C．甲、乙两所大学没有给同一个申请者以全额奖学金。
D．没有任何一个申请者向第三家大学申请奖学金。
E．没有任何一个申请者在今年以前向甲大学或是乙大学提过申请。