人教高中英语 必修3 Unit2 Listening(共15张PPT)

3. Dictation(fill blanks).
HOW AN UNBALANCED DIET CAN AFFECT YOUR HEALTH
Wang Peng went to the library, where he happened to meet an expert on diets. He asked him for help.
2 Listen again and join the names of the illnesses to their causes.
ห้องสมุดไป่ตู้Scurvy
too much rice, noodles and sugar
rickets
Not enough vitamin C
Obesity
Not enough protein and vitamin D
While-reading 1. Listen to the whole dialogue between Wang Peng and an expert. Write down the title and main idea of the dialogue.
The title: How an unbalanced diet can affect your health. Wang Peng is doing research to find out how an unbalanced diet can affect your health, so you need to eat a balanced diet if you want to stay healthy.
grow strong. A long time ago, children who didn’t eat enough vitamin __D_ and body-building food didn’t grow __s_tr_a_i_g_ht legs. They got an illness __c_a_ll_e_d rickets. WP: Oh dear! Do people still have the problem? E: _S_o_m__e_ti_m__e_s. WP: Then what about fruit and vegetables? How much __s_h_o_u_ld_ I eat?
WP = Wang Peng E = Expert
Listen again and fill in the blanks.
WP: Hello. Can you help me, please? I want to find out more about balanced __d_ie_t_s.
E: Of course. A balanced diet needs __e_n_e_r_gy food like rice and noodles, body-building food like fish and meat for __p_r_o_te_i_nand fat, and protective food like fruit and vegetables for fibre and _v_i_t_a_m_i_n_s.
WP: I see. I’ll be __c_a_r_e_fu_labout that. Does it _m__a_t_te_r_ how much fish, meat or cheese I eat?
E: Too much can also make you fat, but if you don’t eat enough, your __b_o_n_e_s won’t
E: You ought to eat about __f_iv_ebig spoonfuls of different fruit and vegetables every day.
WP: Really? I didn’t know that. E: Yes. In the __1_8_t_hcentury sailors at sea
Unit 2 Healthy eating
Pre-listening What makes a balanced diet?
energy-giving foods food body-building foods
protective foods How about a man has an unbalanced diet?
used to find that their _t_e_e_th_ fell out and they had bad spots on their __s_k_in_. They got it __b_e_c_a_u_se_ they didn’t eat enough fruit and vegetables. The __il_ln__es_sis called scurvy.
WP: Yes, but does it matter how __m_u__chrice, noodles and sugar I eat?
E: Yes. If you eat too much, you may _b_e_c_o_m_e_ obese. This means you are too fat and it may lead to other __il_l_n_e_ss_e_s. However, if you __d_o_n_’_t eat enough rice, noodles or sugar, you’ll get tired __e_a_s_i_ly.
Pre-listening What these illnesses are?
rickets:
An illness
that children
get in which
their bones
become soft
and bent,
caused by a
lack
of
vitamin D
scurvy:
An illness caused by not eating foods such as fruit and vegetables that contain vitamin C