[单项选择]If Task B has 15 days of free float and 25 days of total float, and the early start date of Task B is delayed 30 days, how is the project affected

[单项选择]If task A has seven days of free float and 15 days of total float and the early start date is delayed 5 days, what does this do to the completion date of the project

[单项选择]If Task C has 0 days of free float and 0 days of total float, what does this mean to the project
A. The project does not have adequate lead and lag times built in.
B. The task is on the critical path.
C. The duration of the task should be compressed.
D. The dates for the task are not accurate.

[单项选择] The free enterprise has produced a technology capable of providing the American consumer with the largest and most varied marketplace in the world. Technological advances, however, have come hand-in-hand with impersonal mass marketing of goods and services. Along with progress, too, have come some instances of manipulative advertising practices and a great increase of products whose reliability, safety and quality are difficult to evaluate. Today’’s consumers buy, enjoy, use and discard more types of goods than could possibly have been imagined even a few years ago. Yet too often consumers have no idea of the materials that have gone into the manufacturer’’s finished product or their own motivation in selecting one product over another. Easy credit and forceful techniques of modern marketing persuade many consumers to buy what they cannot afford. The consequent overburdening of family budgets is a problem for consumers at all economic levels. It is not unusual for families t
A. the free enterprise system in America
B. the difficulty of living on a fixed income
C. innovative techniques in food processing
D. the advances of advertising techniques

[单项选择]How many days a working American has to work within a week


A. seven
B. six
C. five

[填空题]A week has seven days. ______ seven days in a week.

[填空题]A week has seven days.
______ seven days in a week.

[填空题]A week has seven days．
______ seven days in a week。

[简答题]A week has seven days.
______ seven days in a week.

[简答题]Text B In recent years American society has become increasingly dependent on its universities to find solutions to its major problems. It is the universities that have been charged with the principal responsibility for developing the expertise to place men on the moon; for dealing with our urban problems and with our deteriorating environment; for developing the means to feed the world’s rapidly increasing population. The effort involved in meeting these demands presents its own problems. In addition, this concentration on the creation of new knowledge significantly impinges on the universities’ efforts to perform their other principal functions, the transmission and interpretation of knowledge ---- the imparting of the heritage of the past and the preparing of the next generation to carry it forward. With regard to this, perhaps their most traditionally sanctioned task, colleges and universities today find themselves in a serious bind generally. On the one hand, there is the
A. A．creating new knowledge
B．providing solutions to social problems
C． making experts on sophisticated industries out of their students
D．preparing their students to transmit inherited knowledge

[单项选择]He has been very busy these days, so he really needs ______.
A. having a rest
B. have a rest
C. to have a rest

[单项选择]His body temperature has been（　）for 3 days, the highest point reaching 40.5 degree centigrade.
A. uncommon
B. disordered
C. abnormal
D. extraordinary