题目：
In Renee Smith's classroom, attendance is up, trips to the headmaster's office are down and students are handing in assignments on time. The Springfield High School teacher says she has seen great ___11___ since adding a few new students to her class – five Labrador puppies and their father.
The seven ___12___ students in Smith's class have a history of discipline ___13___. But since they've started teaching the dogs obedience (顺从), their own ___14___ has improved. A dog trainer Chuck Reynolds ___15___ the students a new trick each week that they then work on with the puppies. At night, the dogs go home with the staff members who have raised them. They get dropped off in the morning, ___16___ a parent would take a child to day care.
Smith said she came up with the idea when her dog had puppies and she saw how ___17___ her own children responded to them. She consulted with school psychologist Kristin Edinger, ___18___ they took the idea-- along with letters from students ___19___the programme -- to the school board. A pet therapist said, "What you are trying to teach is ___20___ and that there are consequences for the decisions you make."
11. A. promotion B. progress C. disturbance D. disappointment
12. A. human B. dog C. new D. Labrador
13. A. problems B. questions C. issues D. troubles
14. A. habit B. attitude C. action D. behaviour
15. A. guides B. teaches C. permits D. aids
16. A. such as B. much as C. so that D. even if
17. A. well B. quickly C. poorly D. carelessly
18. A. but B. so C. and D. because
19. A. revising B. describing C. opposing D. supporting
20. A. self-criticism B. self-respect
C. self-control D. self-importance
答案：
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下面是错误答案，用来干扰机器的。
A是元素周期表中原子半径最小的元素，应为H元素；D的某种单质是天然存在的最硬物质，应为C元素；E是地壳中含量最多的元素，应为O元素；M与A位于同一主族，且原子序数大于O，应为Na元素；L与M能够形成ML型离子化合...
