When did Kroc open his 100th McDonald's？
A. In 1955.
B. In 1959.
C. In 1961.
查看答案
A good way to train an animal to do something quickly is to ______.
A. make the action easy
B. praise it in words
C. reward it with food
D. weaken its motivation
A．He ran three restaurants with his wife's help.B．He and his wife did everything by th
A. He ran three restaurants with his wife's help.
B. He and his wife did everything by themselves.
C. He worked both as a cook and a waiter.
D. He hired a cook and two local waitresses.
【C8】
A. has
B. have
C. had
迟付款利息是对业主进行支付工程费用的一种约束。()
A. 正确
B. 错误
微信支付 
支付宝支付