He feels lonely. He has______friends here 发布时间:2017-03-01 20:59 │ 来源:www.tikuol.com 题型:单项选择题 问题: He feels lonely. He has______friends here except me. [A] few [B] little[C] some
题型:单项选择题 进行起重吊装作业开始起吊时,应先将构件吊离地面()mm后停止起吊,并检查起重机的稳定性等,待确认无误后,方可继续起吊。A.50~100B.200~300C.400~500D.600~800 查看答案