1 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

With high yield and superior quality, Chinese hybrid rice varieties have been introduced around the world,     1     (benefit) more people. The export of China’s hybrid rice technology started many years ago. In 1979, China provided hybrid rice seeds to another country for the first time, and 40 years later, in     2     (real), China’s hybrid rice has been planted in dozens of countries in the world.

In the past 40 years, Chinese scientists     3     (devote) to providing assistance to many other countries. China has trained more than 14,000 hybrid rice professionals for more than 80 developing countries through international training courses. This technology has spread     4     more and more places in the world so far.

Yuan Longping,     5     cultivated the world’s first high-yield hybrid rice strain not only earned respect from Chinese people but also the global community. His hybrid rice research has been     6     (entire) saving millions of people from hunger. Yuan’s dream was     7     (solve) the global food shortage and promote hybrid rice around the world. China has achieved     8     great wonder, feeding nearly one fifth of the world’s population with less than nine percent of the world’s total land. And China is     9     (will) to contribute to global food security and calls for joint efforts to end global hunger and poverty.

It     10     (believe) that Yuan’s dream will come true one day.

2 . A famous book from the 70s called The Secret Life of Plants says that plants are conscious (有意识的).     1     In one study, plant exposed (裸露) to Mozart were healthier and grew faster than plants exposed to Jimi Hendrix. Some say these studies that claim plants have a taste for music are full of holes. But there is growing research on plant intelligence and plant communication.

Plants don’t have brains so they can’t think in the same way as humans.     2     They can even communicate this information to nearby plants. Researchers in England cut the leaves of cabbages (卷心菜).The threatened cabbages then produced a poisonous gas that protects them from certain insects.     3     Those healthy cabbages nearby seemed to be reacting to a warning from their cabbage neighbors.

    4     Of course, plants don’t have ears, but some scientists think they can feel vibrations. Italian scientist Dr Gagliano recorded clicking noises produced by corn seedlings (幼苗). She then placed these seedlings in water and played them similar sounds. Curiously, the corn seedlings grew towards the loudspeakers.

    5     Whether or not there is an intention to communicate is still up in the air. Whatever the case, plants are stranger and more wonderful than we can imagine.

A．But plants can sense their surroundings.

B．They even have a preference for music.

C．Some plants can communicate with sound.

D．The study also showed plants will row towards the sound of water.

E．So there is no doubt that plants arc communicating with their neighbors

F．Strangely, the uncut cabbages nearby also began to give off a poisonous gas.

G．The researchers believe plants are communicating with their neighbors through their roots.

3 . While the banana is a common fruit we enjoy in our daily lives, have you heard of its relative, the ensets banana (埃塞俄比亚蕉)? This plant is a main food for more than 20 million people in Ethiopia. Scientists believe that the ensets has the potential to provide food for over 100 million people in Africa. This could be a game - changer for addressing the food shortage due to climate change.

However, don’t be fooled by its orange fruits! Unlike the banana, the fruits of the ensets plant are not eatable, which has earned it the nickname of “false banana”, Food made from ensetss’ roots is especially high in nutrients (营养).

The ensets can feed more people per square meter of crop than most cereals (谷物). This makes it a key crop to focus on as the need to maximize the output of agricultural land in Africa grows ever more urgent. When Ethiopia experienced its most serious famine (饥荒) during the 1980s, the ensets played a major role in helping communities recover from the famine. The ensets is also used in traditional medicine, animal feed and so on.

Because of climate change, unstable temperatures and extreme weather events are posing risks to crop harvests. This threatens to worsen food shortage in many regions of Africa. Scientists believe that the ensets can become a major solution for solving this issue. The ensets is a very hardy plant, able to have a good harvest at a wide range of temperatures and geographical regions.

While scientists do not foresee it replacing the staple crops in other regions, they hope that the ensets can be grown widely in Africa. The ensets banana is certainly famous for its unique qualities that have given it the name “the tree against hunger.” It is an example of how food production is transforming in our world in the face of climate change.

1. Why is the ensets called “false banana”?

A．Because its fruits cannot be eaten.	B．Because its fruits look like oranges.
C．Because its fruits are rich in nutrients.	D．Because its fruits taste differently from bananas.

2. What makes the ensets a key crop in Africa?

A．Its good quality.

B．Its multiple purposes.

C．Its high output.

D．Its predictable future.

3. What does the underlined word “hardy” in paragraph 4 mean?

A．Accessible.

B．Adaptable.

C．Adjustable.

D．Available.

4. Which can be a suitable title for the text?

A．Ensets: A Tree against Hunger	B．Ensets: A Cure for Disease
C．Ensets: A Replacement of Cereals	D．Ensets: A Relative of Banana