Question

You'd better eat a banana while you still can. British scientists say that the fruit may disappear by 2050.

One ______ is climate change. Scientists from the UK collected data(数据) from 27 countries and regions that produced 86 percent of the world's bananas. They found that climate change has improved growing conditions in 21 of these countries and regions. _______ ,if temperatures keep rising, this advantage will disappear. The perfect temperatures range for growing bananas is between 24℃and 32℃. If temperatures get too high, they will _____ growing.

Diseases are another danger to bananas. Unlike other crops, the bananas come from shoot cuttings rather than seeds. It means that all bananas plants have the _______ genotype(基因型). If a disease is able to kill one plant, it could kill them all.

One serious disease is called Panama Disease. Caused by a fungus(真菌) in the soil, it can easily ______ If one banana plantation suffers from the disease, it will take 30 years before it can grow bananas again. Scientists have yet to find a cure to fight Panama Disease.

1.A.reason B.example C.advantage

2.A.Besides B.Suddenly C.However

3.A.start B.keep C.stop

4.A.same B.strong C.simple

5.A.disappear B.spread C.change

Answer 1