1 . 阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。

There is always new knowledge to acquire and new skills to develop in our lives, so     1     is vital to remain lifelong learners in a rapidly     2     (change) world. As you progress through life, you may study and work in new environments. Consequently, you will be exposed     3     many new ideas,     4     (belief), practices and learning experiences. Furthermore, the production of knowledge is bound     5     (grow) rapidly. Then how can you proceed as a lifelong learner? Firstly, lifelong learning is     6     attitude. Be objective     7     make yourself open to new knowledge and ideas. Secondly, take advantage of opportunities for lifelong learning. Finally, understand that it is not sufficient to     8     (simple) know something or to understand     9     you know, because for knowledge to have concrete value, it must     10     (apply). In summary, in a world of constant changes, one should never cease to learn.

3 . 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。

Welcome to the Amazon rainforest, the     1     (large) rainforest in the world. It plays a significant role in       2     (maintain) the fine balance of the Earth’s ecosystem.

The Amazon rainforest crosses into eight countries     3     an area of around 6 million square kilometres, more than half     4     size of China. It is named after the Amazon River,     5     is close to 6, 400 kilometres in       6     (long) .

Of the 390, 000 plant species     7     (know) to us, more than 40, 000 can be found in the Amazon rainforest. The forest’s different levels support an unbelievable     8     (vary) of wildlife. And more than 1, 300 species of birds and over 400 species of mammals hide among the forest’s plant life.

The Amazon rainforest is known     9     the “lungs of the planet” by fixing carbon and     10     (produce) over 20% of all the Earth’s oxygen. Moreover, the Amazon rainforest is a treasure house of species that can be used for food or medicine.

5 . The Amazon rainforest's different levels support a(n) _____(believe) number of plant species, more than 40,000 found there. （所给词的适当形式填空）

6 . 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。

About three million people in the United States find they sometimes have a problem with stuttering (口吃),     1     causes them to repeat the beginning sound of words or whole words while they are speaking. At     2     (time), they even have difficulty     3     (say) a word. People who stutter know exactly what they would like to say but find it difficult to produce a normal flow of speech and communicate     4     others.

Arthur Blank is the owner of the Falcons, an American football team in Atlanta. He stutters. Other members of his family also stutter. Blank says, “Judging communication just by     5     fluent you are is not really enough. You need to learn more if you want to freely express     6     (you).” Last week, he gave the University of Texas System at Austin $20 million     7     (create) a new center for research and education into stuttering. It is     8     (call) the Arthur M.Blank Center for Stuttering Research and Education.

Courtney Byrd, a professor of speech, language and hearing sciences at the university, will lead the center. She says, “Our focus is on the person, not on the stuttering. We’re teaching    9     (variety) people as young as 3 years of age to adults over the age of 90, you can communicate    10     (efficient), and you can do so even if you continue to stutter.”

7 . 阅读下面材料，在空白处填入一个适当的单词或所给单词的正确形式。

Just like every technological advancement, the next is set to be     1     huge deal, and such is the case for 5G. The wireless technology     2     (expect) to power self-driving cars, virtual reality, smart     3     (city) , and networked robots.    4     (research) from King’s College London who have joined with Ericsson (ERIC) to dream up futuristic applications for 5G have looked at everything from music to medicine.

The team is working towards     5     (use) the technology to transfer physical skills across networks and creating what they are calling the “Internet of Skills”.   “    6     5G and the new networking architecture we’re building, we’re hoping to get this delay down to just the speed of light,” said Mischa Dohler, professor of wireless    7     (communitcate) at King’s College London.

Furthermore, 5G will     8     (hopeful) allow a surgeon with virtual reality equipment to work on the other side of the world via a robot. They will use haptic (触觉的) gloves,     9     will allow the surgeon to sense motion and pressure when operating on a patient and can get instant feedback via the gloves.

Meanwhile, Dohler does not expect this to happen overnight and     10     (believe) it could take the “Internet of Skills” another decade before it is fully functional.

8 . The new and improved Community Sports Centre is not open to the public yet, but preparations _____ (make) presently for the reopening. （所给词的适当形式填空）

9 . The peaceful scene of rural life near Bianjing presented in the first section _____ (feature) crop fields, a river winding through the landscape, and farmers hard at work. （所给词的适当形式填空）

10 . The Yellow River Piano Concerto, _____ (consist) of four movements, is well worth enjoying. （所给词的适当形式填空）