In their efforts to persuade us to buy that product,shopkeepers have made a close study of human nature and have __________ all our little weaknesses.( )
A:divided
B:arranged
C:classified
D:separated
下列各组词语字形完全正确的一项是( )
Hello! My name is John. I'm a boy. I'm eleven years old. I have three friends. They are May, Peter and Xiao Mao. May is a girl. She is twelve years old. She is from Canada. Peter is a boy. He is thirteen years old. He is from China. Xiao Mao is a boy. He is two years old, He likes eating meat. Haha, he is a dog!
根据上面短文的意思判断下面的句子是否正确。