5. A　主旨大意题。本文主要介绍了命运对某些名人开的玩笑，因此那些名人就成了命运的见证人，所以选择The Fatal Witness较为合适。

　　Ⅳ.1. Expectant.

　　2. To get ready for the worst result.

　　3. The baby recovered from the dangerous state of coma gradually.

　　4. A miracle of love.

　　Ⅴ.One possible version：

　　March 22,2017, SaturdaySunny

　　Today is the 22nd World Water Day. In the morning, we had a class meeting to make preparations for the afternoon activities.

　　At 2：00 pm, we went to the neighboring community to hand out leaflets, calling on people to save water. At around 3 o'clock, the expert made an excellent speech to us on the current water crisis. He talked about the drought and the severe shortage of water in the north­west of China. The speech had a strong appeal to all the students present. After that, we had a discussion with our neighbors about various ways of saving water in our daily life. I suggested turning off the tap immediately after using it, and a middle­aged woman came up with many ideas of reusing the water from kitchen.

　　Now, I have really had a better understanding of the importance of saving water.

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