第5篇
第一组
1. dream
2. where
3. judge
4. skin
5. content
6. character
7. turn
8. reality
9. campaign
10. win
第二组
1. president
2. election
3. country
4. history
5. serious
6. include
7. climate
8. describe
9. financial
10. century
第三组
1. optimistic
2. appear
3. victory
4. speech
5. climb
6. difficult
7. one
第6篇
Part 1
第一组
1. chocolate
2. cough
3. effective
4. researcher
5. cocoa
6. nearly
7. which
8. present
9. college
10. publish
第二组
1. discovery
2. lead
3. treat
4. harmful
5. effect
6. quality
7. huge
8. forward
Part 2
第一组
1. ten
2. healthy
3. volunteer
4. pill
5. contain
6. during
7. experiment
8. neither
9. nor
10. receive
第二组
1. measure
2. cause
3. sign
4. around
5. slightly
6. compare
7. keep
8. unlike
9. standard
10. side