下列温度计不是用酒精作为工作液体的是()。
A、凝点温度计
B、冰点温度计
C、结晶点温度计
D、熔点温度计
参考答案:D
Can you think of some cases ___ drivers obviously knew the traffic rules but didn’t obey them?
A.why
B.where
C.as
D.which
惩罚就是通过呈现一个厌恶刺激以抑制机体的某些不良行为。