在测温电桥中,电桥的输出 Uab 是随监视点的温度而变化的,当检测温度升高,热电阻值 RT 增大时,则 ( )。 A . Ua 增大, UB 基本不变, Uab 增大 B . Ua 增大, UB 减小, Uab 增大 C . Ua 基本不变, UB 减小, Uab 增大 D . Ua 增大, UB 增大得较小, Uab 增大
【单选题】听力原文: 'Everybody loves bargain' is a well-known saying. A bargain is a good deal. It is something you get for less than its perceived value. One person's useless, ugly, or broken object can be another...
A.
Because they like to keep them at home.
B.
Because they do not want to take the trouble to throw them away.
C.
Because they are not allowed to throw them away.
D.
Because they think those thing they no longer need might be other people's bargains.