單項選擇題
A.10~30m B.10~15m C.20~30m
A.24h B.36h C.48h
A.70 B.80 C.90
A.2d B.3d C.7d
A.0.1 B.0.2 C.0.3
A.5~10cm B.10~15cm C.大于15cm
A.2根 B.3根 C.4根
A.自上往下 B.自下往上 C.隨意
A.20 B.25 C.30
A.50~80cm B.60~100cm C.70~120cm
A.15cm B.20cm C.10cm
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