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【单选题】
According to the passage, which of the following is characteristic of labeled-line theory of taste perception?A.
The implication that a simultaneous activation of cells is unnecessary to trigger a taste experience
B.
The suggestion that each particular type of gustatory cell is unassociated with the perception of an individual taste
C.
The acceptance of the notion that large patterns could be responsible for creating taste perceptions
D.
The postulation of a concept that specific neurons do not correspond to specific tastes
E.
The view that different kinds of neurons are undifferentiated on a physiological level
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【单选题】PHP 中应该如何声明变量 ?
A.
采用 var 开头后面跟变量名
B.
采用 $ 号开头后面跟变量名
C.
采用 declare 开头后面跟变量名
D.
直接写出变量名就可以
【单选题】下列说法不正确的是（ ）。
A.
公文标题一般由发文机关、事由和文种三要素组成
B.
部分公文标题中发文机关这一要素可以省略
C.
部分公文标题中事由这一要素可以省略
D.
部分公文标题中文种这一要素可以省略
【简答题】公文的标题一般由哪些要项组成?（ ）