[单项选择]At the end of four years, these six extra hours of each year ____ twenty-four hours, or one full day.
A. add up to
B. make up for
C. come up with
D. put up with

[单项选择]The fire lasted four hours before the firemen put it out.

[单项选择]Its skin color follows a regular twenty-four hours cycle that exactly matches the daily ______ of the sun.
A. rotation
B. variance
C. rhythm
D. motion

[单项选择]The four hours' examination made him so tired that he ______ a sigh of relief the instant the bell rang.
A. breathed
B. spit
C. bred
D. uttered

[单项选择]

"If it takes you six hours to read this book, somewhere in the world 2,500 people will have died of starvation or of hunger-related illness by the time you (36) ."
Why are so many (37) Susan George affirms with conviction, and with solid (38) , that it is not because there (39) too many passengers on" Spaceship Earth ", not because (40) bad weather or changing climates, but because of food (41) by the rich. (42) the poor go hungry.
The multinational agribusiness corporations, (43) governments with their food "aid" policies and supposedly neural multilateral development organizations (44) responsibility for their (45) .
They all work in corporation (46) local elites, themselves nurtured and protected by the powerful in the (47) world. The United States (48) the way, leads the pack and is (49) imposing its control over the whole pl
A. hungry
B. poor
C. rich
D. civilized