單項選擇題
A.0.5米 B.1米 C.1.5米 D.2米
A.D B.3D C.6D D.9D
A.5 B.6 C.10 D.8
A.4h B.6h C.8h D.10h
A.10s B.15s C.20s D.25s
A.1 B.2 C.3 D.4
A.0℃ B.5℃ C.10℃ D.-5℃
A.90℃ B.80℃ C.70℃ D.60℃
A.燈具 B.插座 C.開關 D.探測器
A.5s B.10s C.12s D.15s
A.220kw B.400kw C.500kw D.1000kw