1、. 高二英语限时练习1A Global temperature changes are in fact a natural process. However, human demands for energy, manufactured goods, transport and animal products have increased carbon emissions (排放). We _1_ (cause) over 1C of warming since the 19th century. For comparison, it _2_ (take) 5,000 years for th
2、e Earth to warm up by 4-7C after ice ages. The small numbers may seem insignificant, _3_ this temperature increase has had a huge impact globally. Sea levels have risen 15cm in the past century. Animals and ecosystems cant keep up with the new rate of change, _4_ forces many species into extinction.
3、 In turn, this comes back to bother humans, who rely on a balance of all ecosystems _5_ (keep) our way of life. Unless we completely change our habits, our future could be _6_ (hope). In face of climate change, _7_ governments should be focusing on now is promoting the use of renewable energy, suppo
4、rting green farming, and reducing population _8_ (grow). Individuals can pay attention to _9_ (cut) out car and plane travel, limiting their intake of animal products, and consuming far less manufactured goods. It will take much more than a village, but its possible and everyone is responsible _10_
5、what happens next.1. have caused 2. took 3. but 4. which 5. to keep 6. hopeless 7 what 8. growth 9. cutting 10. forBThe latest thing in architecture is green buildings covering walls and roofs with a carpet of plants to prevent heat, absorb rain and provide a home for wildlife. Many such buildings n
6、eed complex systems for holding and irrigating the soil. 11 .Ivy is a group of evergreen climbing plants, whose power to live is hard to beat. Firstly, it can live in almost any surroundings, whether in shade or full sun. 12 It grows well in both dry and damp soil. Moreover, it doesnt need supports
7、as it grows aerial roots that can be attached to most things. For these reasons, ivy can be widely grown to beautify an ugly wall or a fence. 13 It is a heaven for bees and butterflies in summer and its berries are a valuable food source for birds in winter. However, there are some concerns about gr
8、owing ivy. Ivy has a reputation for damaging buildings, but according to the UKs Royal Horticultural Society, this doesnt usually happen unless the walls already have cracks. 14 But Blanusa at the University of Reading, UK, who has examined the effects of plant climbers, finds that ivy raises humidi
9、ty（湿度） next to the wall by only a small amount. 15 Once ivy has been in the ground for a few years, it can grow out of control. Just dont let it get the better of you.A. Growing ivy can bring added benefits.B. Therefore, I strongly oppose growing ivy.C. The other fear is that it can make walls damp.
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