chased

sought

overturned

ran

晨起和夜间转变体位时

白天

傍晚

进餐时

晨起和晚上临睡时

白天

傍晚

深夜

进餐时

(1) This burglar alarm won’t work unless we are lucky or the burglar uses the front door.(2) We can’t count on being lucky.(3) We can’t count on the burglar using the front door.(4) We can’t count on a burglar alarm that won’t work.______________________∴(5) We can’t count on this burglar alarm. (from 1-3)(6) This burglar alarm is the only one that we have.(7) We need a burglar alarm that we can count on.______________________∴(8) We need a new burglar alarm. (from 1)

(1) We are not lucky. (2) The burglar won’t use the front door. ______________________ ∴ (3) This burglar alarm won’t work. (from 1-2) (4) We need a burglar alarm that will work. ______________________ ∴ (5) We need a new burglar alarm. (from 3-4)

(1) We can’t count on this burglar alarm. ______________________ ∴ (2) It won’t work unless we are lucky. (from 1) (3) We can’t count on this burglar alarm. ______________________ ∴ (4) We need a new alarm. (from 3)

10,10,10

20,10,10

20,20,10

20,20,20

强盗

客户

窃贼

伙伴

Because the rope knot and chest were not good enough

Because the burglar had known that the case was filled with treasure

Because the case was neatly packaged and perfect for the burglar to carry

Because the burglar was able to open the case without making any noise