背1遍就想上考場(chǎng)大學(xué)英語(yǔ)考研單詞 420
[00:01]affect
[00:02]Studies of both animals and humans have shown
[00:06]that sex hormones somehow affect the stress response,
[00:12]causing females under stress to produce more of the trigger
[00:17]chemicals than do males under the same conditions.
[00:24]defect
[00:25]But this is a man whose company has sold more than
[00:28]20 million cars in the U.S. in the last decade, some of
[00:32]which now have a serious defect that has led to the deaths
[00:36]of at least 34 people.
[00:41]infect
[00:43]Researchers discovered that plants infected with a virus
[00:48]give off a gas that activates disease resistance in neighboring
[00:55]plants.
[00:57]flock
[01:00]In the United States, multitudes of premiums for new
[01:04]devices were awarded at country fairs and at the industrial
[01:10]fairs in major cities. Americans flocked to these fairs to
[01:17]admire the new machines and thus to renew their faith in
[01:22]the beneficence of technological advance.
[01:28]flour
[01:30]Everything here has a purpose, she says. Take the
[01:34]patches of winter wheat. When the farmers come in
[01:38]with their machines, they cut off the top and sell it to
[01:43]companies that make products like flour, then use the
[01:47]bottom for hay.
[01:53]heal
[01:54]Billy Bragg and I undoubtedly have very different
[01:58]views of the world’s problems — and I am certain that
[02:03]many of our prescriptions to heal those problems would
[02:08]differ even more.
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