【判断题】凡是吉布斯函数变化小于零的过程,一定是自发过程。
【单选题】Why didn't French engulf English?
A.
French speakers became cut off from their cultural and linguistic roots in the 13th century.
B.
French speakers began to look for wives in England in the 11th century.
【单选题】正常儿童血清中明显高于正常成人的酶是( )
【单选题】使用政府文件作为二手数据来源的主要原因是它们__________:
【单选题】正常儿童血清中明显高于正常成人的酶是( )。