当施工中发现吊篮设备故障和安全隐患时,应及时排除,对可能危及人身安全时,应停止工作,并由()人员进行维修。
A.劳务
B.管理
C.专业
参考答案:C
Three days later, word came _______ our country had sent up another man-made satellite.
A.which
B.when
C.that
D.where