检验批验收时，当混凝土试块强度小于设计强度标准值时，可判混凝土强度不合格。
参考答案：错
肺主一身之气体现在（）
A.吸入清气
B.宣发卫气
C.生成宗气和调节气机
D.助心行血
E.呼出浊气
She'll be back to her hometown_____time. [ ]
A. after a few years'
B. in a few years'
C. after a few years
D. in a few year's
