高中英语Unit4ExploringplantsSectionⅠWarmingUpReading—P

1． _C_o_l_le_c_t_in_g__“_e_x_o_ti_c_”_p__la_n_t_s____ ， __a_s_th__ey__a_r_e_c_a_l_le_d__ ， dates back to the earliest times. 收集所谓的“异国”植物要追溯到很久以前。 2．However，__i_t_w__a_s_n_o_t_u_n_t_i_l ___ the eighteenth and nineteenth centuries ___t_h_a_t____ the exploration of the botanical world began on a large scale. 然而直到 18 世纪和 19 世纪人们对植物世界大规模的开发和探索 才开始。
Unit 4 Exploring plants
The consensus of the worlds’ leading scientists is that global warming is real and already underway.For natural ecosystems around the globe，its effects could be devastating.All plants and animals，no matter where they live，will be affected in some way.A changing climate has the potential to lead to the mass extinction of numerous species.
Unit 4 Exploring plants
Section Ⅰ Warming Up & Reading—Preparing
1．__d_i_s_ta_n_t___ adj. 2．__t_ig_h_t_____ adj. 3．__fl_u_e_n_c_y___ n. 4．__d_o_v_e_____ n. 5．__sc_a_l_e_____ n.
Unit 4 Exploring plants
Scientists say that warming temperatures are causing rapid changes in the range and distribution of plants worldwide.On the slopes of high mountains，glacial meadows are being replaced with sagebrush as temperatures warm.In the Arctic，fast-growing trees are expanding northward，extending into areas that until recently were tundra(冻原)．In the next 100 years，global warming is expected to reduce the world’s tundra by 30 percent ， with lethal(致命的) consequences for species that live there.
3．Cook called the bay ____w_h_e_r_e_______ the Endeavour had anchored Botany Bay. 库克还把“奋进号”抛锚停靠的地方称为植物湾。 4．__N_o_t__o_n_ly__d_id__F_o_r_t_u_n_e_i_n_t_r_o_d_u_c_e__ over 120 species of plants to Western gardens __b_u_t_h_e__a_ls_o__sh_i_p_p_e_d___ 20，000 tea plants... 福琼不仅把 120 余种植物引入西方园林，而且还把两万株茶树运 往……
2．Who collected and sent seeds of the Tree of Heaven? A．Father d’Incarville. B．Sir Joseph Banks. C．Robert Fortune. D．Father Farges.
3．What improved the survival rates of plants transported long distances? A．A knowledge of Botany. B．The cool water. C．A tightly sealed portable glass container. D．The changing environment.
Between 1843 and 1859，there were 6.________(restrict) on the movement of Europeans and so，in order to travel unnoticed， he developed his 7.________(fluent) in Chinese, even shaving his head 8.________the Chinese style.He experienced many adventures and succeeded 9.________(ship) plants to the Western countries.
Unit 4 Exploring plants
A doubling of carbon dioxide in our atmosphere，which scientists expect to occur midway through this century，will have a drastic impact on our forests.The stunning colors of fall foliage in New England will become a thing of the past as it becomes too warm for sugar maples to survive.A doubling of carbon dioxide would also shift the growing range for birch，hemlock and beech trees 300 to 600 miles northward，leaving behind huge swathes(长 条) of dead and dying trees.
Ⅰ Scan the text and then choose the best answer according to the text. 1．What’s the main idea of this text? A．Transporting plants from China. B．French missionaries exploring plants. C．Many plant collectors to China. D．The plant collecting in the 18th and 19th centuries.
Unit 4 Exploring plants
随着地球上自然地理环境的变迁，植物界自身在不断的矛盾 中运动和发展着。一些类群的自然灭绝常伴随着新类群的形成， 植物界的发展过程就是这样从低级向高级，从简单到复杂，不断 地变化。
Unit 4 Exploring plants
Global warming impacts plants Plants have little ability to adapt to changing climates.If temperatures continue their rapid rise over the next 100 years，all plant species will be affected in some way.Growing seasons ， rainfall patterns ， storms and cycles of floods and droughts are all predicted to change as global warming worsens.In fact，some of these climate changes are already occurring.
5．Why was the second half of the nineteenth century a very important period of plant exploration? A．The first plant collecting expedition dated back to 1500AD. B．E H Wilson discovered the Dove Tree among the western plant collectors. C．Their expeditions resulted in huge plant collections. D．The large numbers of specimens of plants were enough in Western gardens. 答案：1－5.DACDC
远方的；远处的；远的 紧的；紧密的 流利；流畅 鸽子 天平盘；磅秤
6．_e_n_d_e_a_v_o_u_r_ n. 7．__sh__av_e_____ vi.& vt. 8．appeal vi. 9．restriction n. 10．balcony n.
尽力；竭力
剃；刮 (_对__某__人__)_有__吸__引__力__；__求__助_ __限__制__；__约__束___________ __阳__台__；__包__厢___________
1．date back ___t_o______ 2．fall ___in_t_o_____ conflict with 3．___i_n______ the distance 4．take ___in_t_e_r_e_st__ in... 5．result __i_n_______
追பைடு நூலகம்到……；远在……年代 陷入与……的冲突中 在远方 对……感兴趣 产生；导致……
4．Which is NOT true according to the text? A．European had become interested in scientific discovery. B．European middle classes took great interest in collecting new plants. C．European’s desire for exotic plants grew. D ． The foreigners were truly helping the Chinese develop collecting seeds.
Ⅱ Fill in the blanks according to the text. The plants in our gardens look familiar，but 1.________fact
many of them date back to many years ago.In 2.________past， many civilizations saw the value of bringing back plants.So many of them did it.However，it wasn’t popular until in the 18th and 19th centuries.At that time，many brave young men took the opportunity 3.________(find)new plants， such as Father d ’ Incarville，Sir Joseph Banks.But 4.________(keep) plant alive was an enormous challenge.5.________(face)the problem ， Dr Nathaniel Ward invented the Wardian case.