每周一听——那些年我们一起练过的听力（第190期）

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每周一听——那些年我们一起练过的听力（第190期）

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奖项——听写后正确填空者可得BB奖励
评分规则：
每篇设空十处，每答对一空奖励一个BB，全对的虫子可得15个BB奖励。有好的建议大家可以跟帖留言，加油哦~~~~~~

Since the 1980s, doctors have used Magnetic Resonance Imaging machines, or MRI scanners, to look into patients’ bodies without    (1)    them to the harmful effects of X-rays.

An    (2)    magnetic field created inside the MRI\'s tube excites hydrogen atoms in the body’s    (3)    , making them emit radio waves. Those waves can be turned into pictures, similar to X-ray images.

The    (4)    of a new MRI, built by Siemens, has 7 tesla units, making it more than 100,000 (7/0.000065 = 107,692) times more powerful than the earth’s magnetic field.

“Using something like 7-tesla imaging, you can do very high    (5)    imaging, you can get the contrast that you need in order to identify the    (6)    sub-parts of the nuclei that you need,” said Peter Jezzard, a professor of neuroimaging.

But even high-resolution two-dimensional black-and-white pictures are quite different from three-dimensional color   (7)    that can be viewed from all angles.

Using MRI-generated images of water molecules moving within the brain’s white matter, scientists at the British company Holoxica created a    (8)    showing the connections between neurons.

“The brain is such a complex three-dimensional structure, and sometimes it is quite difficult to describe, or understand, the actual connections," said neurosurgeon Basil Ridha. "So to see it in 3-D, that may be a short cut to education, and it can    (9)    the learning process.”

The holographic display is still in prototype phase, but researchers say, once ready for production, it will be    (10)    not only with MRI machines but also with CT and ultrasound scanners.
最近视（音）频上传需要很久的审核时间，将近2个小时，一直等到现在才审核完毕，我才可以完成这期的帖子，不过我会努力按时发布每期活动的。小伙伴们，让学英语成为一种习惯，不知不觉中你就会有很大的进步，量变引起质变。“Studying has almost no short term rewards. But the long term rewards are huge!”让我们一起学英语，我们一起听听力！每天进步一点点！ 期待更多小伙伴加入我们。加油！！！金币奖励活动继续，连续参加4期的小伙伴们请私信我，我会给大家及时发放奖励，期待你们取得更大的进步和更多的奖励！
上期答案
1. obesity
2. marital
3. thinner
4. divorced
5. race
6. associated
7. discrepancy
8. concerned
9. partner
10. weight-conscious

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