Question

一道英语完形填空

Polar bears are well adapted to life in the chilly Arctic（北极）. They burrow（挖地洞）into the snow to avoid icy winds. They hunt seals（海豹） from the edges of the sea ice. They stay warm by eating up to 100 pounds of fat in one sitting.
Lately, however, something is happening in the Arctic that the massive bears aren’t suited for. The Arctic temperature is rising. Warmer temperatures are melting the sea ice, which polar bears stand on while hunting.
“Polar bears are in trouble,” explains wildlife expert Kassie Siegel of the Center for Biological Diversity. “They need the Arctic sea ice to live.”
Polar bears aren’t the only mammals at risk. Some native people are having a harder time finding seals and other animals they rely on for food. ——1— seawater is destroying some villages of Alaska and Russia.
The situation is scary, but it’s not too late to help. People can help make a difference by reducing the amount of fossil fuels they use, scientists say. The situation in the Arctic can ——2— around if we change our habits.

1 A Rising B Dropping C Raising D Falling
2 A be turned B turn C be changed D change

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Answer 1

1 a 气候变暖，北极冰雪融化，rising seawater上升的海水
2 a 被动 turn around 转变，好转的意思