共50条信息
If you develop AIDS, your chances of ________(幸存）are very small.
__________（巧合地）， oil paints were also developed at this time, which made the colors used in paintings look richer and deeper.
When the days _______ (short) in winter, many students will feel depressed and can’t concentrate on their study.
There is no doubt that it is human activity that caused this global warming rather than a random but natural _________(现象）。
Dr Foster thinks that the trend which increases the temperature by 5 degrees would be a _______(浩劫）
However, the ________ (爆发)itself is really exciting to watch and I shall never forget my sight of one.
There are those who_________(反对）this view and believe that we should not worry about high levels of carbon dioxide.
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