—How many ____ would you like ? — Two , please .
---There are a lot of _________ of bike riding.---I agree. It’s good for the environment and it saves money.
--- A study shows that good habits play a very important _________ in children’s education.---I think so.
---Have you watched the TV report about MERS?---Yes, it’s _________ new dangerous disease(疾病).
---Do you know when is _________ No Tabacco(烟草)Day?---It’s May 31st.
"No smoking" was mentioned as a local policy by Beijing government onJune 1st,2015.Which picture below can describe the theme?