《关于党内政治生活的若干准则》规定，各级领导干部要每月听取所在单位的党员和群众的意见和评论。
参考答案：错
John is not a man to count on, and it is very likely that the work ____ by the time he arrives here.
A．is finished
B．has finished
C．will finish
D．will have been finished
甲胎蛋白阳性时，对下列疾病最有诊断意义的是（）
A.慢性活动性乙型肝炎
B.原发性肝癌
C.肝转移癌
D.原发性肝内胆管细胞癌
E.肝硬化
