Answer key
Unit 1
Period 1
A 1 a 2 a 3 b 4 b
B 1 T 2 T 3 F 4 F 5 T
C was, large/big, strong, wanted, help, weak, let, caught, bit, saw, made, got, became
生态伦理学
Period 2
A 略
B 1 a 2 b 3 a 4 a 5 a
C 1 f 2 9 3 d 4 b 5 c 6 h 7 a 8 e
D happy, good, well, loudly, sadly, happy
E help, happened, caught, worry, bite, made, get, out
F 1 c 2 a 3 c 4 c 5 a 6 b
Period 3
A 略
B 1 T 2 F 3 T 4 F 5 T
C 1 excitedly 2 loudly 3 visited, was 4 did, get 5 sadly, find
D a 4 b 2 c l d 3
E 1 b 2 a 3 c 4 c 5 c
Period 4
A 略
樱桃树 B sad, hungry, fast, high, loudly, bite, strong, great
C 1 e 2 c 3 b 4 a 5 d
D 1 a 2 b 3 c 4 b 5 a 6 b
E 1 singing, happily 2 talk, loudly, library
3 poured, hot, water, into, gave 4 From, then, on, became, friends
F 1 F 2 T 3 F 4 T 5 T
Unit 2
Period 1
A 1 b 2 b 3 b 4 a
B 1 T 2 F 3 T 4 F 5 T
C good, listens, clean, tidy, helps, bad, late, bed, sleepy
Period 2
A 略
B 1 T 2 F 3 T 4 T 5 F
C 1 early 2 tidy 3 fast 4 sleepy 5 in order
D Wake, sleepy, late, exciting, early
E 1 F 2 T 3 F 4 F 5 T
Period 3 主要领导
A 略
B 1 a 2 a 3 a 4 b 5 b
C 1 Does, play, well, he, does 2 Does, go, early, gets, early
3 every, morning, a, good, habit 4 is, putting, in, order, bedroom
5 showed, us, around
D 1 for hor short sport
2 took football book good
3 thirsty birthday hurt dirty
E 1 a 2 c 3 b 4 c 5 b
Period 4
A 略
B 1 4 5 6
怎么样保护环境
C 1 c 2 b 3 a 4 a 5 c 6 c 7 b 8 b
D 1 F 2 T 3 T 4 T 5 F
E 略
Unit 3
Period 1
显性突变 A
Breakfast breadmilk noodleggs
Mike√√
Yang Ling√ √
Lunch & dinnermeatvegetables rice fish
Mike√√ √
Yang Ling√√√
B 1 × 2 √ 3 × 4√ 5 × 6 √
C 1 b 2 a 3 c 4 c 5 a
Period 2
A 略
师者 B 1 × 2 √ 3 × 4 × 5 √
C 1 a lot of 2 some 3 some 4 a little 5 a few
D 1 potatoes 2 water 3 tomatoes 4 milk 5 juice
地球黑洞
E 1 a little sweet food
2 some meat, eggs and milk
3 a lot of fruit and vegetables
4 a lot of rice, noodles and bread
Period 3
A 略
电脑噪音 B 1 b 2 c 3 c 4 a 5 a
C 1 flower now how mouth
2 know slow row coat
3 brush country cut but
D 1 noodles, me 2 apples, some 3 some
4 too, much, meat, some, rice 5 healthy, diet
E 1 b 2 c 3 b 4 a 5 c
Period 4
