[单项选择]Tool for defining activities is ______.
A. Dependency Determination
B. Precedence Diagramming Method
C. Rolling Wave Planning
D. Schedule Network Templates

[单项选择]Tool for defining activities is （）.
A. Dependency Determination
B. Precedence Diagramming Method
C. Rolling Wave Planning
D. Schedule Network Templates

[单项选择]What is not the element in defining language


A. systemic
B. arbitrary
C. symbol
D. visual

[填空题]A is one of the defining properties of human language, which means there is in general no natural relation between meanings and sounds.

[单项选择]Passage One As the defining epidemic of a modem age notable for overconsumption and excess, obesity is hard to beat. The increased availability of high-fat, high-sugar foods, along with more sedentary lifestyles, has helped push the number of obese people worldwide to beyond 400 million, and the number of overweight to more than 1.6 billion. By 2015, those figures are likely to grow to 700 million and 2.3 billion respectively, according to the World Health Organization. Given the health implications -- increased risk of heart disease, stroke, diabetes and some cancers -- anything that helps people avoid piling on the pounds must be a good thing, right Those who agree will no doubt welcome the growing success of researchers striving to develop "diet pills" that provide a technical fix for those incapable of losing weight any other way. Last week a study published in The Lancet showed that tesofensine, which works by inducing a sense of fullness, is twice as effective as any
A. a close link between growing obese and developing disease
B. the inevitable diseases of modem civilization
C. the war against the epidemic we have lost
D. the urgency of the global phenomenon

[单项选择]

Energy will be one of the defining issues of this century. One thing is clear: the era of easy oil is over. What we all do next will (1) how well we meet the energy needs of the entire world in this century and (2) .
Demand is (3) like never before. As populations grow and economies take (4) millions in the developing world are enjoying the (5) of a lifestyle that requires increasing amounts of energy. (6) , some say that in 20 years the world will (7) 40% more oil and gas fields are maturing. And new energy (8) are mainly occurring in places where resources are difficult to (9) , physically, economically and even politically. When growing demand meets tighter supplies, the result is more (10) for the same resources.
We can wait (11) a crisis forces us to do something. Or we can (12) to working together, and start by asking the tough questions: How do we meet the energy needs of th
A. cost
B. consume
C. commend
D. recommend