[单项选择]________is known to all, too much smoking will cause lung cancer.
A. That
B. It
C. As
D. What

[单项选择]________is known to all, too much smoking will cause lung cancer.
A. That
B. It
C. As
D. What

[单项选择]

Passage Two
Too much eating. Too many unhealthy foods. Too many advertisements for food. Too little activity.
Different explanations are offered for America’s weight problem--a problem increasingly shared by other countries. Almost one-fifth of American children and teenagers are overweight.
Schools have been urged to increase physical education, an important tool for public health. And many have. Yet now comes a study showing an increase in the number of injuries in physical education class. Injuries increased 150% between 1997 and 2007.
he study involved injuries treated in hospital emergency departments. Only 2% were serious. The researchers did not try to identify the causes of the increase, but they have some theories.
Lara McKenzie from Ohio State University was the lead researcher. She says one possibility is a decrease in the number of school nurses during the period they studied. For example, a 2004 study sho
A. not common outside the United States of America
B. also a headache in other countries
C. caused by too many advertisements for food
D. neglected in many countries

[填空题]All the world’s most successful CEOs have too much to do and too little time to have their personal life.

[填空题]Too much work and too little rest often leads to (ill) ______.

[填空题] EFFECTIVE TIME MANAGEMENT
All too often, work seems like to take over a disproportionate part of our lives,
with the result that we are not able to see our friends or families as often as
41 we would like and we have little time for relaxation. Although one of the
42 consequences of poor time management for many of us is that it tips over our
43 lives out of balance so that we don’t pay enough attention to the things that
44 are really important to achieve them. But the paradox is that when work
45 dominates on the horizon to such an overwhelming extent, we are probably
46 being neither as efficient nor as effective at work as we could be with a
47 better organised lifestyle. If we constantly feel under the pressure and are
48 always rushing to meet deadlines, we should take up a look at the way we
49 are organising our work. We all have limits on the amount of time and within
50 which we can do a good job; it’s more impor