Ques: What does too much lead do to a person? Choose the most suitable option to answer the above question. Options：  A. toxic  B. very heavy  C. very dense  D. very resistant to corrosion  E. follow
Ans: A

Ques: What causes a difficulty in breathing? Choose the most suitable option to answer the above question. Options：  A. files  B. asthma attacks  C. living  D. sustaining life  E. giving life
Ans: B

Ques: Where is one likely to find a wild fox? Choose the most suitable option to answer the above question. Options：  A. hen house  B. painting  C. chicken coop  D. wooded areas  E. electrical circuit
Ans: D

Ques: Where is a copy machine likely to be? Choose the most suitable option to answer the above question. Options：  A. barn  B. office  C. assembly line  D. museum  E. kitchen
Ans:
B