Unit2 How often do you exercise Section B(2a-2e)课件

四、强化训练
完成句子。 1.尽管他生病了，他还是去了学校。
_A_l_th_o_u_g_h_ he was ill, he still went to school. 2.你是如何度过暑假的？
How did you ___sp_e_n_d___ your summer vacation? 3.我们班百分之三十的男生喜欢音乐。
play computer games read books go shopping draw pictures play sports
How often do you …? Names of classmates 1-3 times a week 4-6 times a week every day
二、新课讲解
3. How often do most students watch TV? What do they usually watch? Most students watch TV every day. They usually watch game shows.
4. What does the writer think is the best way to relax? Why? The writer thinks exercise is the best way to relax because it’s healthy for the mind and the body, and you can spend time with your friends and family as you play together.
八年级英语RJ版·上册
Unit 2
Section B (2a-2e)
一、新课引入
Free talk
Read the phrases in 2a, then talk with your partner about how often he/she does the activities.
How often do you watch TV?
5. Do you think the students at No.5 are healthy? Why or why not? No. Because they watch TV too much, and do less exercise.
二、新课讲解
According to the article and the pie charts, write sentences with the percentages using always, usually or sometimes. 1. 90%: _N_i_n_e_ty__p_e_rc_e_n_t_o_f_t_h_e_s_t_u_d_e_n_ts_a_l_w_a_y_s__u_se__th_e__In_t_e_rn_e_t_. 2. 85%: _E_i_g_h_ty_-_f_iv_e__p_er_c_e_n_t_o_f_t_h_e_s_tu_d_e_n_t_s_a_l_w_a_y_s_w__a_tc_h_T__V_._ 3. 45%: _F_o_r_ty_-_f_iv_e__p_er_c_e_n_t_o_f_t_h_e_s_tu_d_e_n_t_s_u_s_u_a_ll_y_e_x_e_r_c_is_e_.___ 4. 10%: _T_e_n_p_e_r_c_e_n_t_o_f_t_h_e_s_tu_d_e_n_t_s_o_f_te_n__u_se__th_e__In_t_e_rn_e_t_.____ 5. 13%: _T_h_i_rt_e_e_n_p_e_r_c_e_n_t _o_f _th_e__st_u_d_e_n_t_s _u_s_u_al_l_y_w__at_c_h_T__V_. ___ 6. 2%: __T_w_o__p_e_r_ce_n_t_o_f__th_e_s_t_u_d_e_n_ts__so_m__e_ti_m_e_s__w_a_tc_h__T_V_.____
二、新课讲解
Choose one of these free time activities or think of your own. Then ask your classmates how often they do this activity and make a pie chart. Show the pie chart to your class.
I usually watch TV...
二、新课讲解
2a
Rank these activities according to how often you think your classmates do them (1=most often, 6=least often).
watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the country
二、新课讲解
4. through 介词，意为“以，凭借，穿过”。 He got good grade on the exam through his hard work. 这次考试他凭借努力取得了好成绩。 There is a river going through the village. 有一条小河穿过村庄。
二、新课讲解
1. percent 名词，意为“百分之……”。和数词连用构成百分数。 percent 没有复数形式；和名词连用时，后边加of。 Fifty percent of the students like watching TV. 百分之五十的学生喜欢看电视。 另外：“数词+percent of+名词”结构作主语时，谓语动词单复数要根据of 后的名词确定。 如：Eighty percent of the water is polluted. 80%的水被污染了。
2. The important sentence patterns: It is +adj.+for sb.+to do sth. Although… spend time with…
四、强化训练
根据给出的单词首字母填空。
1. 60 p_e_rc_e_n_t___ of teenagers can’t sleep for 8 hours on weekdays. 2. There are many places of interests s_u_c_h___ as the Palace Museum and the Great Wall. 3. The best way to learn English is t_h_r_o_u_g_h___ listening and reading. 4. A_lt_h_o_u_g_h_ I don’t like this kind of movie, I still went to the cinema with her. 5. Do you m_in_d_____ turning off the TV?
二、新课讲解
3. although 连词，意为“尽管，虽然，即使”。 引导让步状语从句。相当于“though”。 Although/Though they are very poor, they are still happy. 尽管他们很穷，他们仍然很快乐。 注意： although和but不能连用。
二、新课讲解
2. not…at all 意为“一点儿也不，根本不”。 I don’t like the movie at all. 我一点也不喜欢这个电影。
另外：Not at all. 表示“不客气”。 相当于“You are welcome.” —Thank you for your help. 谢谢你的帮助。 —Not at all. 不客气。
辨析：through 指在某一空间内穿过，强调内部。 across 指在某一物体表面穿过，强调从一边到另一边。
He passed through the forest. 他穿过了森林。 I can swim across the river. 我能游到河对岸。
二、新课讲解
5. mind 名词，意为“头脑，心智”。 Although she is 90 years old, her mind is quite clear. 尽管她已经90岁了，她的头脑还是很清晰。
另外：mind 作动词，意为“介意，对某事烦恼”。 后跟名词、代词、v-ing做宾语。
I don’t mind the coldness. 我不介意寒冷。 Do you mind passing me the booh as 意为“例如，像……这样”。用于举例子。 I like eating fruit, such as oranges and apples. 我喜欢水果，比如橘子和苹果。
9. It’s+形容词+for sb.+to do sth. 意为“做某事对某人来说……”。 It’s interesting for us to learn English. 学英语对我们来说是很有趣的。
三、归纳小结
1. New words and phrases: result, percent, online, television, although, through, mind, body, such, such as, together, die.
7. spend time with 意为“和……一起度过/消磨时间”。 I often spend time with my family on weekends. 我常和家人一起度过周末时光。
二、新课讲解
8. Old habits die hard. 谚语，意为“旧习难改”。 形容人们的习惯、观点或固有观念很难改变。 die 动词，意为“消失，死亡”。 非延续性动词，不能和时间段连用。 He died three years ago.他三年前去世了。
二、新课讲解
2b Read the article and complete the pie charts on the next page.
15
10
13
2
4-6
3
20
20
3
45
90
85
4-6
二、新课讲解
Read the article again and answer the questions.
Thirty __p_er_c_e_n_t __o_f_ the boys in our class __l_ik_e___ music. 4.对他们来说完成这个任务是很难的。
It is _d_i_ff_i_c_u_lt_ for them __t_o__ ___f_i_n_is_h__ the task.
1. What percent of the students do not exercise at all? Twenty percent of the students do not exercise at all.
2. What percent of the students use the Internet every day? Ninety percent of the students use the Internet every day.
五、布置作业
1. Memorize the new words and phrases. 2. Do a survey about the living habits in class. Then make a report next class.