[佳句赏析]　现在城市发展如此之快，你永远想象不到它明天会是什么样子。

　　Now cities are developing so fast that you can never imagine what it will be like tomorrow.

　　4．(长难句分析)A temperature increase of 1°F may not sound like a lot, but if we continue to produce carbon dioxide and other gases in such huge quantities, we are condemning life on Earth and should expect severe consequences.

　　气温升高1华氏度听起来无所谓，但是如果我们继续制造这么多的二氧化碳和其他气体，我们将毁灭地球上的生命，后果将非常严重。

　　From the following pictures, what will you think of? And can you say something to deal with the problems?

　　It's_about_global_warming.

　　I_think_it's_time_for_us_to_take_action_against_global_warming._The_earth_is_our_only_home_planet._If_it_continues_to_get_warm,_we'll_have_no_place_to_live_on_eventually._From_the_pictures_we_can_see_animals_are_crying,_our_earth_is_also_crying,_but_human_beings_seem_still_untouched._How_to_save_our_planet?_First_of_all,_we_should_make_more_public_service_announcements_to_attach_importance_to_protecting_our_homeland._Secondly,_take_action_to_encourage_people_to_save_energies_and_lower_release_of_carbon_dioxide._Last_but_not_least,_make_laws_to_keep_our_ecology_safe_and_balanced.

　　Remember_we_have_only_one_planet_and_we_must_cherish_and_shelter_our_environment.

　　Ⅰ.Fast­reading

　　Choose the best answers according to the text.

　　1．What does the passage mainly tell us?

A．Global warming is not so serious and it will get better.