47.~50.                                  Global Warming We always think that we can see cherry blossoms in spring and we have snow in winter. But didyou know that in 2007 __47.__ in the USA and cherry blossoms started to bloom in winter?These events are all because of global warming. Global warming makes sea levels rise, and some animals move to new homes. It’s already too late __48.__ completely. Although global warming is a very difficult problem to fix, many peoplehave started working on the problem.
 There are some simple things that you can do to help stop global warming: 1. Wait until you have a lot of clothes to wash before __49.__ .
 2. Turn off the lights when you leave a room.Turn off your computer or the TV when you’re not using it.
 3. Dress lightly on a hot day instead of turning on the air conditioner.
4. Dress warmly inside your house when it’s cold instead of turning on the heater.
 5.__ 50.__ instead of asking for a ride in a car.
6. Plant a tree.
 7. Take shorter showers.
※ global warming 地球暖化 cherry blossom 櫻花 bloom 開花 sea level 海平面 completely 完全地instead of 代替 air conditioner 冷氣機 heater 暖氣機 ※ <南一書局 閱讀素養>
【題組】47.
(A) it snowed in late summer
(B)it rained a lot in summer
(C) it snowed in winter
(D) there were big typhoons