According to the passage, early-twentieth-century education reformers believed that ______.
A. different groups needed different kinds of education
B. special programs should be set up in frontier communities to modernize them
C. corporations and other organizations damaged educational progress
D. more women should be involved in education and industry
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To "live a completely sedentary life-style" (Line 8, Paragraph 1 ) in the passage means ______.
A. to "live an inactive life"
B. to "live a decent life"
C. to "live a life with complete freedom"
D. to "live a life of vice"
The phrase" coincided with" in line 8 is closest in meaning to ______.
A. was influenced by
B. happened at the same time as
C. began to grow rapidly
D. ensured the success of
What risk may people not run in eating low-fat food？ ______
A. Weight gain.
B. Loss of energy.
C. Inertia may raise your risk of several diseases.
D. Too little fat take-in.
It can be inferred from the passage that which of the following plant species would be LEAST likely to experience a decrease in fecundity as a result of the spraying of a pesticide not directly toxic to plants？ ______
A flowering tree pollinated by only a few insect species.
B. A kind of insect-pollinated vine producing few flowers.
C. A wind-pollinated flowering tree that is short-lived.
D. A flowering shrub pollinated by a large number of insect species.
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