Junk-food are forbidden in schools cafeteria probably because______.
A. adolescence obesity is a serious nationwide problem
B. U.S. government wants to oversee the school-meal programs
C. good food doesn"t have enough attraction to students
D. stealth health turns out a not-so-good approach
在多数情况下,网络接口卡实现的功能处于网络层协议。()
By writing Paragraph 1, the author intends to______.
A. prove the accuracy of Yale"s study
B. introduce the theory mentioned below
C. demonstrate the importance of eating fruits
D. claim children are fascinated about X-ray
It can be concluded from the text that______.
A. the phenomenon of shyness is incurable
B. the shyness is not something a child can easily control
C. the shyness is a brain defect that may require outside help
D. the shyness is a normal part of all children to some extent or another