Everyone (人人)needs to be healthy.
   Do you eat healthy food every day? It’s important (重要)for your health. You need fruit, like oranges, apples and bananas. “ An apple a day can keep away（避开） the doctor (医生).” You also need vegetables, like carrots and broccoli. Fruit and vegetables are good for our health. But don’t eat lots of chocolate. It’s not good healthy food. What about dessert? Don’t eat lots of dessert because it’s not good for your health. Many people eat lots of chocolate and dessert, so they are unhealthy. Sports can also keep you healthy. Play sports every day. Don’t be lazy. You can be healthy.

— Dad, I don't think we can go into the building. Look at the sign — “_______”.

— Oh, I didn't notice it.

买 23元，买 24元，买 15元，买 36元。小明拿了100元，买这些东西够吗？____

A.够          B.不够

如果够的话，还剩多少元钱？____