It is generally accepted that smoking is ____________(有害的) to our health.
答案：harmful
Look！The old man is seriously injured.Call an ________(救护车) right now!
答案：ambulance
Evidence shows the young man is __________(无辜的)，so the police set him free.
答案：innocent
There are many matters to be taken into __________(考虑) in deciding which type you want.
答案：consideration
The family decided to go to Mount Tai for a __________(观光) tour in the summer.
答案：sightseeing
