港口与航道工程施工总承包一级资质企业，工程技术人员中，具有高级职称的人员不少于（）人。
A.10
B.20
C.25
D.30
参考答案：B
_______ to win the World Cup by all the people of the country is heavy pressure to the team. [ ]
A. Expecting
B. Being expected
C. Expected
D. To expect
膨胀干燥机入料口水较多时应立即（），使孔眼流水畅通。
