You'd better eat a banana while you still can...

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

九年级英语完型填空中等难度题查看答案及解析

请根据要求改写下列句子，每空一词。

1.You’d better eat some bread now.(改为否定句)

You’d better _________ eat _________ bread now.

2.Elsa spends $30 buying books each month.(保持句意基本不变)

The _________ of Elsa’s books _________ $30 each month.

3.Kate will return to school in a week.(对划线部分提问)

_________　_________ will Kate return to school?

4.Leo and David are the same age.(保持句意基本不变)

Leo is as ________ _________ David.

5.I went to bed after I finished my homework.(保持句意基本不变)

I ________ go to bed _________ I finished my homework.

九年级英语句型转换中等难度题查看答案及解析

You’d better _____too much chocolate, or you’ll get fat fast.

A. not to eat B. not eat C. not eating

九年级英语单项填空中等难度题查看答案及解析

The sun is shining ________ . You'd better wear sunglasses while you are out.

A. brightly                B. lightly                    C. heavily

九年级英语单项填空中等难度题查看答案及解析

To make your DIY work perfect , you’d better not start　 　　　　　　 you get all the tools ready .

A. when　　　　　　　 　 　 B. while

C. before　　　　 　　　 　　 D. after

九年级英语单项填空中等难度题查看答案及解析

“Tony, you’d better try 　　　　 too much chocolate. You’re already overweight,” said the doctor.

A. not eat　　 B. not to eat

C. to not eat　　 D. not to eating

九年级英语单项填空中等难度题查看答案及解析

（题文）You'd better not eat too much fast food, such as potato chips and hamburgers, if you don't want to put on _______.

A. wealth　　 B. weight

C. power　　 D. fame

九年级英语单选题中等难度题查看答案及解析

--I often have hamburgers for lunch.

　　　 --You'd better not. It's bad for you　　　　　　 too much junk food.

A. eat　　 B. to eat　　 C. eating　　 D. ate

九年级英语单项填空中等难度题查看答案及解析

While travelling in a strange place, you'd better ____ the local people and follow their customs（习俗）.

A. watch　　 B. change　　 C. control　　 D. teach

九年级英语单项填空中等难度题查看答案及解析

________ you sit in front of the computer all day while working, you’d better take exercise for at least an hour every day.

A.Even if B.Even though C.Since D.As if

九年级英语单选题简单题查看答案及解析