二灰土基层的组成材料有()。
A.石灰
B.粉煤灰
C.土
参考答案:A, B, C
解析:
[简析] 二灰土是指石灰和粉煤灰(简称二灰)无机结合料稳定的土。
根据句意,在下列句中必要的地方加上适当的's(所有格形式)。
1. My friend name is Jeff Green. _____________________________
2. Who is Jim and Kate grandfather? ___________________________
3. There is a TV in Tina and Maria room. ________________________
4. This is Tom father Mr Green. ________________________________
5. How many people are there in Betty family? _______________________________
()位于胸部正中线膻中离2寸第四肋间隙凹陷处主治胸胁支满不得息等。
A、神封
B、腺俞
C、腐窗
D、神阙