You may not like insects, but they are very important because they are food for other animals. And they also pollinate plants.Without insects, many animals will die, and it will be hard for people to grow fruit or vegetables.        There is a new study which says that _____40_____. Every year, there are 2.5 per cent less insects. If this goes on, there will be 25%less insects in 10 years. If that happens, all of life will be in terrible danger.        There are two answers to_____41_____. It is probably earth’s rising temperatures, as well as the use of chemicals in farming.
【題組】40.
(A) people need to live on insects in the future
(B) we have learned more about insects
(C) the number of insects is falling
(D) insects will no longer be a problem for humans