教学准备 1、 教学目标 This is t he s e c o nd te a ching p eriod o f t his un i t、 T he t e a c he r c an f ir st c heck t h e s t udent s’ ho mew or k a nd o f fer c ha nces f or th e studen t s t o revi e w w h at they l e arn ed du r in g the f ir s t peri o d、T he emphas is o f t h is period wi l l be pl ac ed o n t h e i mp or t ant new w o r ds, ex pressions and sen t ence pa t ter ns i n t h e p ar ts W armin g u p, P re-reading, R e ading a n d p re h en d ing、 In or d er t o m a ke t he stud e nts un d erst an d th e se impor t an t points t h o r o u g h ly, we can first g et the students to underst a nd t heir mea n i n gs in t he cont e xt, th e n g ive some e xp l anat i on s about t hem, lat er o f f e r s ome e x e r cis e s to m ak e the students ma st er thei r usages、 So m e wo r