练习部分

Exercise 1(Unit 1,5A)

Exercise 2(Unit 2,5A)

Exercise 3(Unit 3,5A)

Exercise 4(Unit 4,5A)

Exercise 5(Unit 5,5A)

Exercise 6(Unit 6,5A)

Exercise 7(Unit 7,5A)

Exercise 8(Unit 8,5A)

Exercise 9(Unit 1,6A)

Exercise 10(Unit 2,6A)

Exercise 11(Unit 3,6A)

Exercise 12(Unit 4,6A)

Exercise 13(Unit 5,6A)

Exercise 14(Unit 6,6A)

Exercise 15(Unit 7,6A)

Exercise 16(Unit 8,6A)

Exercise 17

测试部分

Test 1(Unit 1,5A)

Test 2(Unit 2,5A)

Test 3(Unit 3,5A)

Test 4(Unit 1-4,5A)

Test 5(Unit 5,5A)

Test 6(Unit 6,5A)

Test 7(Unit 7,5A)

Test 8(Unit 5-8,5A)

Test 9(Unit 1,6A)

Test 10(Unit 2,6A)

Test 11(Unit 3,6A)

Test 12(Unit 4,6A)

Test 13(Unit 5,6A)

Test 14(Unit 6,6A)

Test 15(Unit 7,6A)

Test 16(Unit 8,6A)