根據(jù)短文內(nèi)容，從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。

Bananas

Bananas belong to the most popular fruits in the world. They were first grown in tropical (熱帶的) India and Southeast Asia over 4,000 years ago, and then brought to North Africa and the Middle East.

What is a banana plant like?

Although bananas grow like trees they are actually plants. They are made up of stalks (莖) that are covered with big leaves. A stalk can be about 30 cm thick. 1. It has up to 20 long and wide leaves. Bananas hang in clusters (串) from the plant. Each cluster can carry about 10 to 20 bananas.

2.

In many tropical parts of Africa, South America and Asia, bananas are a main food for the population. They contain potassium, which can lower your blood pressure, prevent heart diseases and reduce the risk of other diseases. 3. In addition to 75% water, a banana contains sugar, proteins and vitamins. It gives you quick energy and can be digested easily.

The harvest of bananas

Bananas are harvested while they are still green. These green bananas are taken to the nearest port, where they are put on container ships. When the bananas arrive at their destination, they are loaded onto trucks or railway cars and brought to sellers who store them in special ripening rooms. 4.

Economic value of bananas

Bananas are the fourth most valuable food crop in the world, after wheat, rice and corn. They are important for the economy of tropical countries. About 140 million tons of bananas are harvested every year. 5. The biggest banana-producing countries in the world actually need most of the fruit themselves.

A. Bananas as a basic diet

B. Different types of bananas

C. A banana plant can grow up to 6 meters in height.

D. Bananas have many other nutrients that people need.

E. However, only a small percentage of the actual production is exported.

F. Bananas are endangered by temperatures below zero and strong winds.

G. Then it takes about five days to get the yellow colour and taste we all know.

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