Boys are good at vocabulary, spelling and memory.
A. 对
B. 错
The nerves in the left side of the brain develop faster in girls than in boys.
A. 对
B. 错
A forceful person is unafraid of questioning others and is an independent thinker.
A. 对
B. 错
牙周组织包括( )
A. 釉质
B. 牙髓
C. 牙龈
D. 牙腔
E. 牙骨质