_江西成考网

51＿＿

44.Why are rainforests important to the world?

• A、They can provide food for different kinds of insects.
• B、They can lower the temperature around the Equator.
• C、They are home to various kinds of plants and animals.
• D、They produce the best wood for house building.

40.What is Operation Jump Start(OJS)in the text?

• A、It's a company providing jobs for people like Nancy.
• B、It's a program training volunteers.
• C、It's a school teaching leadership skills.
• D、It's an organization helping high school students.