2019-2020学年北京昌平区第一中学高三英语上学期期末考试试题及答案

2019-2020学年北京昌平区第一中学高三英语上学期期末考试试题及答案

第一部分 阅读（共两节，满分40分）

第一节（共15小题；每小题2分，满分30分）

阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项

A

A Lifelong Devotion to Keeping People Fed

Yuan Longping is a Chinese agricultural scientist and educator, known for developing the hybrid rice varieties.

Yuan graduated from the Southwest Agriculture Institute in 1953 andbegan his teaching career at an

agriculture school.

In the 1960s, when a serious food shortage sweptChina, Yuan decided to devote himself to studying how to

increase the yields of rice. He then began a lifelong connection with rice.

Yuan succeeded in growing the world’s first high-yielding hybrid rice varieties in 1973, which could reach a

yield of over 500 kg per mu (about 0.067 hectares), rising from the previous yield of only 300 kg per mu. For the

next four decades, he continued to work on research and development of hybrid rice, achieving increasingly

higher outputs. In 2020, hybrid rice developed by Yuan’s team achieved 1,500 kilograms per mu in two growing

seasons, a new world record.

InChina, where rice is the main food for the majority of the 1.4 billion people, the planting area of hybrid rice

has reached 16 million hectares, or 57 % of the total planting area of rice, helping feed an extra 80 million people

a year.

Hybrid rice has also been grown in over 40 countries, including theU.S.,Brazil,India,Vietnam,

thePhilippinesandMadagascar. The total planting area of the hybrid rice has reached 8 million hectares overseas.

Even after a great success, Yuan never held himself back from making new breakthroughs. In 2017, his team

started to grow seawater rice inQingdao. The rice was designed to grow in saline-alkaline land and survive even

after being completely in seawater. His team planned to develop a type of seawater rice that could be planted in

6.67 million hectares of saline-alkaline land acrossChinato boost the country’s rice harvest by about 20 %. In 2018,

Yuan’s team was invited to plant the saline-alkaline tolerant rice in experimental fields inDubai, which achieved

huge success. In June 2020, his team started to grow seawater rice on a farm at an altitude of 2,800 meters in

northwestChina’sQinghaiProvince. The experiment succeeded.

Yuan had two dreams — to “enjoy the cool under the rice crops taller than men” and that hybrid rice could be grown all over the world to help solve the global food shortage.

1. What made Yuan Longping decide to study rice?

A. A serious food shortage. B. Agriculture development.

C. His interest in the rice experiment. D. His wish to plant the tallest rice in the world.

2. From the passage, we know that Yuan Longping ________.

A. developed a variety of hybrid rice

B. worked as a scientist after graduation

C. started to grow seawater rice inDubaiin 2017

D. grew the first high-yielding hybrid rice varieties in 1953

3. We can infer from the passage that Yuan Longping’s most outstanding qualities are________.

A. modest and outgoing B. honest and creative

C. generous and optimistic D. responsible and devoted

B

Too much TV-watching can harm children’s ability to learn andeven reduce their chances of getting a college

degree, new studies suggest in the latest effort to examine the effects of television on children.

One of the studies looked at nearly 400 northern California third-graders. Those with TVs in their bedrooms

scored about eight points lower on math and language arts tests than children without bedroom TVs.

A second study ,looking at nearly 1000 grown-ups in New Zealand, found lower education levels among

26-year-olds who had watched lots of TV during childhood.But the results don’t prove that TV is the cause and

don't ride out that already poorly motivated youngsters (年轻人）may watch lots of TV.

Their study measured the TV habits of 26-year-olds between ages5 and 15. These with college degrees had

watch an averageof less than two hours of TV per week night during childhood, compared with an average of

more than 2.5 hours for those who had no education beyond high school.

In the California study, children with TVs in their rooms but no computer at home scored the lowest while

those with no bedroom TV but who had home computers scored the highest.

While this study does not prove that bedroom TV sets caused the lower scores, it adds to increasing findings

that children shouldn't have TVs in their bedrooms.

4. According to the California study, the low-scoring group might _________.

A. have had computers in their bedrooms

B. not be interested in math