一.1—5 DABDB 6—10DBCBB 11—15 ABACB
二.1—5 BACDC 6—10ADBBC
三.1—5 BDABD 6—10DDCAA
四.A)1.noisy 2. valuable 3. replied 4. asleep 5. unhappyB)6. attention 7. doubt 8. stress 9. truth 10. cause
五.1. worried 2. ways 3. call 4. Firstly 5. enough 6. diet 7. matter 8. active 9. share 10. sadness
六.1. scientists 2. England 3. sent 4. preferred 5.minister 6. interested 7. enough 8. took 9. study 10. effect/influence
二.1—5 BACDC 6—10ADBBC
三.1—5 BDABD 6—10DDCAA
四.A)1.noisy 2. valuable 3. replied 4. asleep 5. unhappyB)6. attention 7. doubt 8. stress 9. truth 10. cause
五.1. worried 2. ways 3. call 4. Firstly 5. enough 6. diet 7. matter 8. active 9. share 10. sadness
六.1. scientists 2. England 3. sent 4. preferred 5.minister 6. interested 7. enough 8. took 9. study 10. effect/influence