一级资质的房地产开发企业应具备的条件中,有职称的建筑、结构、财务、房地产及有关经济类的专业管理人员不少于( )人。
A.10
B.20
C.30
D.40
参考答案:D
土工布又称土工织物,它是由合成纤维通过针刺或编织而成的不透水性土工合成材料。
Palmer and his fellow linguists believed that a mastery of some ______ words would greatly assist foreign language learning.
A.1,000
B.2,000
C.3,000
D.4,000