某建筑物基础采用砖基础,应选用()砌体材料。
参考答案:实心烧结砖
It’s important for us to have _________ food. It’s good for our ________.
A.health, health
B.healthy, healthy
C.health, healthy
D.healthy, health
能分泌胃蛋白酶原的细胞()
A.壁细胞
B.主细胞
C.潘氏细胞
D.杯状细胞
E.颈黏液细胞