在儿童期最不常见的肿瘤是()。
A.室管膜瘤
B.颅咽管瘤
C.星状细胞瘤
D.髓母细胞瘤
E.胶质母细胞瘤
参考答案:E
The workers insisted that they _____ a free lunch every noon and the boss had to give in. [ ]
A. be given
B. being given
C. will be to give
D. would be giving
特种设备停用1年以上,使用单位应予以封存,并在封存后的规定时间内向原登记机关申请(),《使用登记证》交回登记机关。
A.报废
B.报停
C.封存
D.注销