Which of the following is proper when a punishment is needed because of animal's bad behavior？
A prompt punishment directly associated with the event.
B. A punishment two days before the pet's typical bad behavior.
C. A punishment two hours after the pet's bad behavior.
D. A punishment when the interaction between is built.
查看答案
金和银行存款日记账保管期限为15年。()
A. 正确
B. 错误
Which of the following statements is TRUE？
A. We can find some ways to remove stress.
B. Stress is always harmful to people.
C. It is easy to change the habit of keeping oneself busy with work.
Different people can withstand different amount of stress.
Vitamin C helps______while vitamin Bi is very important to______.
A. teeth/digestive system
B. skin/bones
C. bones/liver
D. eyes/meats
The underlined part "Constant is also a... 'nose'" means______.
A. he believes he has the best nose in the world
B. his nose can taste salt, sweet, acid and bitter
C. his nose can identify various tastes and flavors
D. he is capable of smelling flavors from a long distance
微信支付 
支付宝支付