当测得CT值为0时，低于此数值的人体组织器官是
A．肝脏B．脑白质C．肺D．甲状腺E．肌肉
参考答案：C
解析：肺组织因充气，CT值低于0。
根据短文内容,用方框中所给的单词的适当形式填空,每词限用一次。
The elephant is one of Thailand’s ___小题1:____.They are smart animals. People say that “Elephants never _小题2:____”.They can walk for a long way and never get lost. But elephants are __小题3:____ great danger. They are _小题4:_____their homes now. How can they live without trees? __小题5:____we must save the trees and not buy things made of ivory.
战术基础配合是（）有目的、有组织、协调行动的方法。
A.个人
B.二三人之间
C.全队
