Having been ______ work for nearly three months, the poor fellow has little money left now to buy himself food.
A. off
B. back to
C. at
D. out of
查看答案
严格来讲,城不同于城市,且城的出现早于城市,因为古代的城,缺少()职能这一特征。
A. 军事
B. 社会
C. 政治
D. 经济
He is very ______ his children and permits them few privileges.
A.hard against
B.hard on
C.hard with
D.hard to
某地下洞室的岩体基本质量等级为Ⅰ级,初步勘察时,其控制性勘探孔深度宜钻入洞底设计标高下()。
A. 1~3m
B. 3~5m
C. 5~8m
D. 8~10m
某地下洞室的岩体基本质量等级为Ⅲ级,初步勘察时,其控制性勘探孔深度宜钻入洞底设计标高下()。
A. 1~3m
B. 3~5m
C. 5~8m
D. 8~10m