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xiqiong 发表于 2013-7-19 10:16 ![]()
我也查了很久的夹心结构,但是觉得大家的解释都有点含糊。
不过通过比较OG和Prep里的正确答案,我得出这 ...
首先,我觉得从正确句子来看,n,ing,v+o都是做的状语
16. Retail sales rose 0.8 of 1 percent in August, intensifying expectations that personal spending in the July-September quarter would more than double the 1.4 percent growth rate in personal spending for the previous quarter.
23. Once designed with its weight concentrated in a metal center, the discus used in track competition is now lined with lead around the perimeter, thereby improving stability in flight and resulting in longer throws.
47. Five fledgling sea eagles left their nests in western Scotland this summer, bringing to 34 the number of wild birds successfully raised since transplants from Norway began in 1975.
78. Fossils of the arm of a sloth, found in Puerto Rico in 1991, have been dated at 34 million years old, making the sloth the earliest known mammal on the Greater Antilles Islands.
94. The recent surge in the number of airplane flights has clogged the nation's air-traffic control system, leading to a 55 percent increase in delays at airports and prompting fear among some officials that safety is being compromised.
133. Last week local shrimpers held a news conference to take some credit for the resurgence of the rate Kemp's ridley turtle, saying that their compliance with laws requiring turtle-excluder devices on shrimp nets is protecting adult sea turtles.
21.Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are now drawing solid conclusions about how the human brain grows and how babies acquire language.
95.The peaks of a mountain range, acting like rocks in a streambed, produce ripples in the air flowing over them;the resulting flow pattern, with crests and troughs that remain stationary although the air that forms them is moving rapidly, is known as "standing waves".
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