人教版高一必修一unit重点单词讲解

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1、calm【归纳】 calm可作形容词和动词。★ 作形容词时，意为：①镇静的，沉着的；②风平浪静的；③无风的。如：Weweretoldtostaycalmandthathelpwasontheway.Theseasweredeadcalm.Tuesdaywasafine,clearandcalmday.★ 作动词时，意为“使平静，使镇静”。如：Theteachertriedtocalmthechildrenbygivingthemsomecandy.【拓展】calm(...)down意为“（使）平静下来，（使）镇定下来”。如：Hetookafewdeepb

2、reathstocalmhimselfdown.IcouldhardlywaittotellhimthegoodnewsbutIhadtocalmdownbeforeIcouldspeak.【即学即练】 写出下面句子中画线部分单词的词性和中文释义。1.Theoceanlooksmuch calmer today.                                                                              2.Noneofoureffortsto calm hersucceeded.      

3、                                                                        3.Westartedourjourneyona calm,cloudlessday.                                                                              4.Nowkeep calm everyone;thepoliceareontheirway.                                        

4、                                      concern【语境展示】 阅读下面句子，并试着归纳concern的意思及用法。1.Itconcernsmethatthesepeoplearenotgettingthesupporttheyneed.2.Thesechangesconcerneveryonewhohasschool-agechildren.3.Thefilmconcernsagroupofschoolfriends.4.Helovedhiswife,andconcernedhimselfwithherneeds

5、anddesires.5.Maryhasn’tbeenseenforfourdaysandthereisconcernabout/for/overhersafety.6.Hismainconcernistobeabletoprovideforhisfamily.7.Themoneysideofthebusinessisyourconcern.【自我归纳】 concern可作动词和名词。★ 作动词时，意为：①使担忧（句1）；②与……有关系，涉及（句2）；③关于（句3）；④关心（常用于concernoneself________sth.结构）（句4）。★ 作

6、名词时，意为：①担心，忧虑（常与介词about,for或over连用）（句5）；②重要的事情（句6）；③（某人）负责的事，有权知道的事（句7）。【拓展】★ concerned adj. 意为：①担心的, 忧虑的（常与介词about或for连用，也可跟that从句）；②关注的，感兴趣的。如：I’mabitconcernedabout/foryourhealth.Lisawasconcernedthatshemightmisstheturningandgetlost.Theyaremoreconcernedwithpowerandcontrolthanwit

7、hthegoodofthepeople.★ asfaras...beconcerned意为“就……而言”。如：AsfarasI’mconcerned,youcanforgetaboutit.Asfarasmoney’sconcerned,thereshouldn’tbeaproblem.【即学即练】 写出下面句子中画线部分单词的词性和中文释义。1.Ididn’t concern myselfwithpolitics.       ________________2.Sheexpressedherdeep concern aboutconditionsat

8、thefactory.  ________________3.Theywerem