were的反义词

Modern U. S. cities were designed to make exercise unnecessary. Cars and elevators once symbolized urban areas as machines for more efficient living. Now it is clear that these improvements provide great benefits but also _26_ health costs. Recent stud

The now extinct passenger pigeon has the dubious honor of being the last species anyone ever expected to disappear. At one point, there were more passenger pigeons than any other species of bird. Rough 26 of their population went as high as five billio

The dream of personalised flight is still vivid in the minds of many inventors, some developing cycle-powered craft, others 26 money into jetpacks (喷气飞行背包). However, the flying car has always remained the 27 symbol of personal transport freedom.S

Passage OneQuestions 46 to 50 are based on the following passage.Children with attention problems in early childhood were 40% less likely to graduate from high school, says a new study from Duke University.The study included 386 kindergarteners from sc

Passage TwoQuestions 51 to 55 are based on the following passage.If you\'ve ever started a sentence with, "If I were you..." or found yourself scratching your head at a colleague\'s agony over a decision when the answer is crystal-clear, there\'s a scient

Passage OneQuestions 46 to 50 are based on the following passage.Economically speaking, are we better off than we were ten years ago? Twenty years ago?In their thirst for evidence on this issue, commentators seized on the recent report by the Census Bu

Passage OneQuestions 46 to 50 are based on the following passage.At the base of a mountain in Tanzania\'s Gregory Rift, Lake Natron burns bright red, surrounded by the remains of animals that were unfortunate enough to fall into the salty water. Bats, s

The Impossibility of Rapid Energy Transitions[A] Politicians are fond of promising rapid energy transitions. Whether it is a transition from imported to domestic oil or from coal-powered electricity production to natural-gas power plants, politicians l

Travel websites have been around since the 1990s, when Expedia, Travelocity, and other holiday booking sites were launched, allowing travelers to compare flight and hotel prices with the click of a mouse. With information no longer__26__by travel agent

Questions 26 to 35 are based on the following passage.Innovation, the elixir (灵丹妙药) of progress, has always cost people their jobs. In the Industrial Revolution hand weavers were __26__ aside by the mechanical loom. Over the past 30 years the digit

The weakening of the human connection to nature might be good for economic growth but is bad for people. A tipping point was reached in 2020 when human-made materials—such as steel, concrete and plastic-were found to weigh more than all life on Earth.

How to better work towards long-term goalsA) Hal Hershfield, a psychologist at the UCLA Anderson School of Management, wanted to know why people weren\'t saving for retirement. Across the board, people are living longer. Logically, they 511 need more mo

Passage TwoQustions 51 to 55 are based on the following passage.The traditional school year, with three months of vacation every summer, was first implemented when America was an agricultural socicty and the summer months were needed for farm work. Sin

Section BDoctor\'s orders: Let children just playA) Imagine a dnug that could enhance a child\'s creativity and critical thinking. Imagine that this drug were simple to make, safe to take, and could be had for free. The nation\'s leading pediatricians say

Researchers, writing in the journal Heart, pooled data from 23 studies and found that social isolation or feelings of loneliness were tied to an increased risk of coronary heart disease (冠心病)and strokes.The studies included data from 181,006 men and