1.动物园里有15只老虎，26只鹿，还有35只猴子，请你用简便算法计算三种动物一共有多少只？

1. 76只。

2.动物园的门票是25元一张，这天上午卖出80张门票，下午卖出60张门票，动物园这天一共收入多少元？

2. 3500元。

三、读描述，猜一猜，选择最恰当的选项。
（）1. They have long bodies. They have no legs. Some of them can hurt people. They are dangerous. What animals are they?
A B C
（）2. It has got a big nose, a big mouth, two big ears and four legs. It lives on a farm. It sleeps a lot. What is it?
A B C
（）3. They live in a cold place. They are birds, but they can't fly. They can swim. What animals are they?
A B C
（）4. It's an insect(昆虫). It's black and yellow. It's very busy. It likes flowers. It can make honey. What is it?
A B C

1.B 2.A 3.C 4.B