Life Vest指的是（）。

[名词解释] life expectancy

[名词解释] life table

[名词解释] abridged life table

[名词解释] current life table

[单选题]The words concerning everyday life are ______.A． in the possession of each individualB． something exchanged for moneyC． not familiar to highly educated peopleD． not included in a book

[单选题]A． project life cycle is a collection of generally sequential project (73) whose name and number are determined by the control needs of the organization or organizations involved in the project. The life cycle provides the basic (74) for managing the

[单选题]The life cycle of a project is a description of the various phases of the project from the beginning to the end. One of the followings is not a phase of the traditional project life cycleIt is().A．developmentB．conceptC．system analysisD．implementation

[单选题]What is your [goal]in life?A.aimB.planC.arrangementD.idea

[单选题]What is your [goal]life?A.planB.aimC.arrangementD.idea

[单选题]What is your [goal]in life?A.aimB.planC.arrangementD.idea