[填空题]Humans are dependent on oxygen and water for (survive)（）.

[填空题]Humans are dependent on oxygen and water for (survive) ______.

[填空题]Humans use water for three basic purposes: agriculture, industry, and domestic and municipal use(water for drinking, cooking, cleaning, and so forth). And the amount of water (47) to each person decreases as the population grows, (48) the possibility of water shortages. Water shortages will not come all at once in every part of the world, just as the world’s population is (49) distributed by region, so is the annual (50) of renewable water. Rainfall and snowfall are (51) by uneven weather pattern sand landscape, and as a result, some areas of the world get more precipitation than others. This leads the uneven (52) of water all over the world.
Natural water scarcity has prompted many nations to try to increase their water supplies by building dams to catch water that otherwise would escape to the sea, or by sinking more and deeper wells. But these efforts can have (53) side effects that can contribute to water

[单项选择]A. The oxygen level in the water.
B. The angle of the treadmill.
C. The weights on the divers.
D. The temperature of the water.

[单项选择]The two elements（　）water is made are oxygen and hydrogen.
A. that
B. which
C. of which
D. with which

[单项选择]Oxygen is one of the elements ______ water consists.
A. of which
B. of that
C. by which
D. that

[单项选择]Air is to humans ______ water is to fish,
A. that
B. as
C. what
D. which

[单项选择]

M: The results of a comprehensive statistical survey confirm what actresses have known for a long time-that there are fewer roles for women and that when actresses do work, they’re less well paid than men and play younger roles. I spoke to Shirley Grainger who was asked by the Actors Union to investigate the situation. What did her survey reveal
W: The Union was very concerned about the anecdotal evidence they were getting when women were complaining that they were getting a raw deal and were not getting a proper chance to practice their art. But without hard evidence, which comes from a scientific investigation of the problem, it’s very difficult to persuade the producers that there is a problem that they ought to be addressing. So, I had the task of getting the data together (1).
M: So what kind of information was this
W: And the figures were really striking-I found differences between actors and actresses in all the fields s
A. Dramas that cater to women audience.
B. Dramas with all parts played by women.
C. Dramas that have a domestic setting.
D. Dramas that involve professions dominated by men.