問1　In Figure 1, which of the following do (A), (B), (C), and (D) refer to?

① (A)Australia　　(B)Chile　　(C)Mexico　　(D)South Africa

② (A)Australia　　(B)Mexico　　(C)South Africa　　(D)Chile

③ (A)South Africa　　(B)Chile　　(C)Australia　　(D)Mexico

④ (A)South Africa　　(B)Mexico　　(C)Australia　　(D)Chile

問2　According to the passage, which of the following correctly describes one difference between navel oranges and Valencia oranges?

① Navel oranges contain fewer seeds than Valencia oranges do.

② Navel oranges contain more juice than Valencia oranges do.

③ Valencia oranges are more popular than navel oranges in the winter.

④ Valencia oranges are more suitable for eating fresh than navel oranges.

問3　What is the main purpose of this passage?

① To account for the seasonal changes in the US production of oranges

② To explain the differences between navel oranges and Valencia oranges

③ To illustrate the relation between US production and imports of oranges

④ To improve the quality of the navel oranges produced in the US

問4　What topic is most likely to follow the last paragraph?

① Export rates of other fruits from the US to the Southern Hemisphere

② Statistics showing the seasonal changes in imports of other fruits

③ The shipping methods of navel oranges from the Southern Hemisphere

④ The variety of fruits commonly grown in the US and Mexico

問1 ②　問2 ①　問3 ③　問4 ②