在地震区,下列钢框架梁与柱的连接构造做法,哪一种是不正确的?()
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The American Red Cross isone of the volun teer organizations____purpose is to help the sick and the needy. A.its B.that C.who D.whose
Not until the bell hadrung____________the classroom in a hurry A.he came into B.did he come into C.he has come into D.has he come into
请在第_____处填上正确答案。 A)easily B) likely C)usefully D)probably
__________ they invite you to speak, remain silent. A. Even though B. Though C. If D.