单元：Module 05.txt

• upstairs
• exhibition
• rule
• against the rules
• in trouble
• tail
• rope
• entry
• No entry
• no good
• no wonder
• missing
• downstairs
• punish
• communications
• physics
• chemistry
• dig
• coal
• energe
• X-ray
• experiment
• sand
• control
• truck
• wheel
• compare with
• of all ages
• whole