Which of the following statements is not true？ __________ 以下哪个语句是不正确的？ __________

A、Class is a kind of abstract data type.

B、Data encapsulation is a feature of object-oriented paradigm.

C、Information hiding is a feature of object-oriented paradigm.

D、Encapsulation and information hiding mean that all the components in an object will be totally invisible from outside.

A、If all the developers are professional enough, management won't be needed.

B、The software development is not the mysterious technique of a certain individual labor, but should be the engineering of an organization of all kinds of people.

C、A software development team should include kinds of people.

D、Software project development is a team work.

A、Operation-oriented technique primarily considers both the operations and the data of the product.

B、An object is an instance of abstract data type.

C、The classical/procedural paradigm is inferior to the object-oriented paradigm.

D、In all object-oriented technique, data and operations are considered of the same importance; neither takes precedence over the other.

解释下列每一个陈述正确的原因。讨论货币与财政政策在每一种特例下的影响。

  a．如果投资并不取决于利率，IS曲线是垂直的。

  b．如果货币需求并不取决于利率，LM曲线是垂直的。

  c．如果货币需求并不取决于收入，LM曲线是水平的。

  d．如果货币需求对利率极其敏感，LM曲线是水平的。

  Explain why each of the following statements is true. Discuss the impact of monetary and fiscal policy in each of these special cases.

  a．If investment does not depend on the interest rate, the IS curve is vertical.

  b．If money demand does not depend on the interest rate, the LM curve is vertical.

  c．If money demand does not depend on income, the LM curve is horizontal.

  d．If money demand is extremely sensitive to the interest rate, the LM curve is horizontal.

One of the puzzles still mystifying biologists is____what to become in an embryo.

 A、how cells know

 B、how do cells know

 C、how know cells

 D、how cells knowing

选B不对，应该选什么？