凡是能被嗅觉和味觉感觉出芳香气息或滋味的物质的物质都属于香料。
参考答案:对
Our school was moved to Gaoxin District in 2005, and the new campus is ________ the old one.
A.three times as large as
B.more larger three times than
C.three times larger than that of
D.three times as the size of
在化学变化中,下列微粒可能发生改变的是( )
A.质子数
B.中子数
C.核外电子数
D.分子数