In an age of rapidly growing urbanization, rooftop farming has emerged as a sustainable response     1     the challenge of creating green space in cities. This innovative practice transforms rooftops into mini farms, where vegetables, fruits, and even flowers     2     (plant), providing local residents with fresh produce and adding a touch of nature to urban environments.

Rooftop farming, also     3     (refer) to as vertical agriculture, is more than just a trend; it’s a step towards environmental conservation. Green roofs with vegetation help to absorb sunlight and release moisture, cooling the air and reducing the demand for air conditioning,     4     in turn lessens energy     5     (consume) and carbon emission. Meanwhile, rooftop farms serve as educational platforms,     6     (teach) city dwellers about sustainable agriculture practices and the importance of locally     7     (source) food.

As urban populations continue to grow, rooftop farming fosters community engagement     8     promotes healthier lifestyles by providing access to fresh and organic produce. When we look towards     9     future where environmental consciousness and sustainable practices become increasingly vital, rooftop farming stands as a testament to our ability to cultivate more than just food—we cultivate hope for a     10     (green) and more resilient world.

A wild fire broke out in California,     1    many people losing their homes and trying to    2     a new shelter. The government said it would    3    their situations so that homelessness wouldn’t turn out to be a serious problem in the area. It also encouraged its residents    4    local charities in order    5    this difficult time. But before the authorities were able to     6     what challenges the state was facing, endangered wildlife was about to     7    because of the disaster. Emotions     8     due to this sad fact but     9     the damage was done, the government was trying its best to make it up by taking several actions. For example, an animal rescue center was built at the spot     10    injured creatures needed medical treatment.

Big challenges, however, can sometimes lead to great solutions. Take the Aswan Dam for example. Though the new dam would be     1     to benefit the local people, the proposal led to protests. Finally, a committee was     2     to limit damage to the Egyptian buildings and     3     the loss of cultural relics. The group asked for contributions and     4     funds. After experts had     5     the issue and conducted several tests, a document was signed.

So, what is plogging? As a matter of fact, it is a    1    of picking and jogging, which means picking up garbage while working out. Many people    2    it because plogging benefits us a lot. It not only helps us keep    3    and mentally healthy but also is of great    4    to protect the environment and our homeland. People of all ages can participate in this kind of exercise. More than that, it raises the public    5    of environmental issues and develops their sense of responsibility.

After camping in the Redwood Forest and visiting Napa     1    , Li Lan took a tour of San Francisco, which     2     itself after the earthquake that     3     in 1906. It     4     felt good to be back again.

In the morning, she walked around the Mission District, where she looked at the street art and ate some delicious Mexican Chinese noodles. In the afternoon, she     5     to a local museum that showed the     6     changes in California. She learnt that many     7    from different countries and cultures came to California to seek their     8     during the gold rush and played an important part in its development. Later in the evening, she went to Chinatown and     9     a Cantonese restaurant that served its food on beautiful china plates. Now she is planning to go to a jazz bar in the Richmond     10    .

7 . 阅读下面小短文，根据上下文语境，选择合适的单词填入空白处，每个单词只使用一次，每个语篇有一个是多余的选项。

Mankind has been exploring space to find out the secret of the     1     and has     2     a lot of satellites into space, which can transmit     3     to scientists on earth. However, exploring space is dangerous and challenging. These disasters made everyone     4    , but the     5     to explore the universe never end.