【单选题】下列哪个不是金属式电阻应变片的常见类型?
【简答题】媒体在计算机领域中的含义,是指存储信息的实体和【 】。
【单选题】-- There is a bad smell hem.-- Oh, dear ! I______ the gas.
A.
must forget turning off
B.
must forget to turn off
C.
must have forgotten turning off
D.
must have forgotten to turn off
【简答题】汽油机明显燃烧期越短,越靠近上止点,汽油机的 和 越好。
【单选题】-- There is a bad smell here. -- Oh, dear! I ______ the gas.
A.
must forget turning off
B.
must forget to turn off
C.
must have forgotten turning off
D.
must have forgotten to turn off
【判断题】工业社会教师职业的特点有教师职业性质的世俗化、教师职业角色的半专业化、教师养成与任用的制度化。
【单选题】—Oh, dear, I forget the air tickets./--You _______ something.