What are the main features of our course?（）

单项选择题The best title of this passage is（）.

A. Agriculture and Industry
B. Export
C. Production

单项选择题An industrialized country usually has to import foodstuffs because,（）.

A. it cannot always produce enough food for its own needs
B. it doesn't has fertile land and a good climate
C. it relies on exports of manufactured products

单项选择题The countries which produce food for export, for example, meat, sugar, or cereals such as wheat and maize are countries.（）

A.developed
B.industrial
C.agricultural

单项选择题Raw materials are often exported by the countries that produce them to other countries where（）.

A. they are consumed
B. they are made into finished products
C. they are wasted

单项选择题From the first sentence of the passage we can know that there are（）kinds of exports.

A.two
B.three
C.four