2020-2021学年人教版英语选修8习题：课时作业4 UNIT 1 GRAMMAR .doc

1、.七选五Is Fresh Air Really Good for You?We all grew up hearing people tell us to “go out and get some fresh air”. 1E According to recent studies，the answer is a big YES，if the air quality in your camping area is good._2_ If the air youre breathing is cleanwhich it would be if youre away from the smog o

2、f citiesthen the air is filled with lifegiving，energizing oxygen.If you exercise out of doors，your body will learn to breathe more deeply，allowing even more oxygen to get to your muscles(肌肉) and your brain.Recently，people have begun studying the connection between the natural world and healing(治愈).

3、_3_ In these places patients can go to be near nature during their recovery.It turns out that just looking at green，growing things can reduce stress，lower blood pressure，and put people into a better mood(情绪)Greenery is good for us.Hospital patients who see tree branches out their window are likely t

4、o recover at a faster rate than patients who see buildings or sky instead. _4_ It gives us a great feeling of peace._5_ While the suns rays can age and harm our skin，they also give us beneficial Vitamin DTo make sure you get enough Vitamin Dbut still protect your skinput on sunscreen right as you he

5、ad outside.It takes sunscreen about fifteen minutes to start working，and thats plenty of time for your skin to absorb a days worth of Vitamin D.AFresh air cleans our lungs.BSo what are you waiting for?CBeing in nature refreshes us.DAnother side benefit of getting fresh air is sunlight.EBut is fresh

6、air really as good for you as your mother always said?FJust as importantly，we tend to associate fresh air with health care.GAll across the country，recovery centers have begun building Healing Gardens.本文是一篇说明文。介绍了呼吸新鲜空气和接近大自然有益于身心健康。1E解析：空格前一句说我们都是听着人们说的“出去呼吸点儿新鲜空气”长大的，空格后一句说答案是肯定的。由此可判断E项“但是新鲜空气真的像你

7、妈妈总说的那样对你有好处吗？”符合语境。2A解析：根据空格后的内容可知，如果人们呼吸的空气是干净的，那么空气中就充满了维持生命的、让人充满活力的氧气。如果在户外锻炼，人的身体会学会深呼吸，让更多的氧气进入肌肉和大脑。所以本段主要说的是呼吸新鲜空气的好处，故A项“新鲜空气清洁我们的肺”符合语境。3G解析：空格后的these places与G项中的recovery centers相呼应，因此G项“全国各地的康复中心已经开始建造康复花园”符合语境。4C解析：空格前介绍了接近大自然、看绿色植物对病人的康复有益，空格后一句说“它给我们一种非常好的内心平和的感觉”，由此可推断出空格处应该表达置身于大自然的

8、好处，故选C项“置身于大自然使我们精神焕发”。5D解析：空格后一句说，虽然阳光会使我们的皮肤衰老并受到伤害，但阳光也能带来有益的维生素D。这应该是呼吸新鲜空气附带的好处，故D项“呼吸新鲜空气的另一个附带好处是阳光”符合语境，D项中的sunlight 与空格后的the suns rays相呼应。.翻译下列句子，注意黑体部分要用到本单元的单词、短语或句型，然后将其合并成一篇短文1我们在别的地方找不到比我们班更好的班集体。Nowhere_else_can_we_find_a_better_class_than_ours.2各位老师通力合作。Every_teacher_teams_up_with_ea

9、ch_other.3他们用各种可能的办法让我们理解他们所教的东西。They_use_every_possible_means_to_have_us_take_in_what_they_have_taught.4当有不寻常的事情发生在一些学生身上的时候，我们的老师鼓励他们要保持良好的心态。When_something_unusual_happens_to_some_students，our_teachers_encourage_them_to_keep_up_a_good_state_of_mind.5很明显，我们学生也想尽一切办法来回报我们的老师。It_is_apparent_that_we_

10、students_also_have_tried_all_possible_means_to_do_something_in_return_for_our_teachers.6我们中有很多人在学校组织的各种活动中获奖。A_good_many_of_us_received_prizes_in_various_activities_our_school_arranged.7我们班可能会成为我们学校最好的班级。It_is_very_likely_that_our_class_will_be_the_best_one_in_our_school.请将以上句子连成一篇语言流畅、逻辑严密的短文。Nowhe

11、re_else_can_we_find_a_better_class_than_ours_where_every_teacher_teams_up_with_each_other.They_use_every_possible_means_to_have_us_take_in_what_they_have_taught.When_something_unusual_happens_to_some_students，our_teachers_encourage_them_to_keep up_a_good_state_of_mind.It_is_apparent_that_we_students_also_have_tried_all_possible_means_to_do_something_in_return_for_our_teachers_and_a_good_many_of_us_received_prizes_in_various_activities_our_school_arranged.It_is_very_likely_that_our_class_will_be_the_best_one_in_our_school.