Ifyougoouttothefieldsatnightinspringorsummer,youcanhear...

问题详情：

If you go out to the fields at night in spring or summer, you can hear frogs singing 61_______ (happy) here and there. It seems as if they were performing a field group singing.

The frog is a good and useful creature that benefits human beings. They can catch fast-moving  62_______  (insect). Each frog eats a large number of pests that are harmful to crops. This little creature is regarded   63_________    “the natural enemy of pests”.

But now frogs  64________  (get) fewer and fewer. This is because they are killed and put  65_________  the table as a delicious dish by their chief enemy, human beings. It is a shameless and cruel act, isn’t it?

The cause responsible for the rapid  66_________  (reduce) of frogs is that farmers use insect killer to kill pests and frogs get killed as a result of drinking poisoned water while  67 _______ (eat) poison-killed insects.

Something must be done without delay  68 _______ (save) frogs. If we don’t punish those    69______ sell and kill frogs to make money, then one day all of us  70_______  (punish) by nature for failing to keep them.

【回答】

61．happily     62．insects      63．as       64．are getting   65．on  66．reduction   67．eating       68．to save   69．who           70．will be punished

知识点：语法填空

题型：未分类