仪表的跨度是指()。
参考答案:测量范围的上限与下限之差
Look, read and choose.(选择合适的句子组成对话)
(1)
A. It's on the chair.
B. It's under the chair.
(2)
A. On the desk.
B. In the desk.
(3)
A. In the sofa.
B. On the sofa.
汽车:交通工具( )
A.树林:树木
B.电视机:电器
C.皮革:衣服
D.语文:数学