医学研究结果在医学杂志上发表之前通常并不公布于众，它们首先得被专家小组所谓的评委审阅的方式审查通过后才能发表。据称，这种做法延迟了公众接触潜在的有益信息。这种信息，在极特殊的情况下，可以挽救生命。然而，发表前的评委审阅是仅有的可以防止错误的方式，并从而使自身缺乏评价医学声明的公众免受了潜在有害信息的袭击。因此，为了防止公众基于不合标准的研究而做出选择，我们就必须等待，直到研究结果被评委审阅通过，并在医学杂志上发表为止。 以下哪项是上述论述所基于的假设？()

A、Information hiding can be used to obviate common coupling.

B、A class is an abstract data type.

C、An abstract data type is just a class.

D、Abstract data type supports both data abstraction and procedural abstraction.

A．4-3-2-1-5

B．1-4-5-2-3

C．4-1-3-2-5

D．5-2-4-1-3

A．Shorter data types save more storage space

B．Try to use character variables when passing parameters

C．It is most efficient to use integer variables

D．Try to use a short data type in the loop to speed up execution

A、Variables may be defined anywhere in the body of main.

B、All variables must be defined before they are used.

C、All variable definitions must include the name and data type of each variable.

D、Several variables of the same data type may be defined in one definition.

A．Version

B．Type

C．Source Port

D．Flags

E．Data

A.A unique index

B.A composite index

C.A check constraint

D.A generated column

A. Binary data up to 4 gigabytes.

B. Character data up to 4 gigabytes.

C. Raw binary data of variable length up to 2 gigabytes.

D. Binary data stored in an external file, up to 4 gigabytes.

E. A hexadecimal string representing the unique address of a row in its table.

A. symmetric key encryption

B. asymmetric key encryption

C. RSA

D. digital certificates