Stepping outside the railway station early     1    an autumn morning,visitors are met with the view of the cold air along with the water, forming a thick, soft blanket of fog (雾) over the Grand Canal,the “main street” of Venice. It’s a sight that    2     (welcome) millions of visitors from all over the world since the city became one of Europe’s economic superpowers.

Yet, the breath-taking beauty     3    inspired countless painters, writers and artists over the centuries easily damaged is at risk of being lost forever. The city’s    4     (survive) is threatened (威胁) by rising water levels. The unstoppable increase in sea level has caused flooding    5     (become) the order of the day.

After 1966, the year of the worst flooding in Venice’s history, the Italian Government started a project to save the city.     6     project needing a lot of effort was carried out to protect the lowest areas from flooding. Thirty     7     (year) later, there was an agreement     8     (support) by everyone on the     9     (success) results both of the technical achievements and international cooperation(合作).

But Venice still needs attentive care. The city remains threatened on several fronts— mass tourism, the possible damage of city development     10     a large number of boats.

2 . 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。

Cold temperature, biting wind, heavy snow and slippery roads are the common challenges     1     trouble or even interrupt winter outings.

The first cold wave of winter     2     (strike) Northeast China since November, causing a temperature drop of 6℃ to 8℃ and snow accumulation of over 30     3     (centimeter). However, for the students and the faculty (全体教师) at Harbin Institute of Technology in Northeast China, who have been severely affected by the recent cold wave and blizzard, their routes have been made easy, warm and safe thanks to the newly built skywalks on the campus. They     4     (comfortable ) move between classrooms, libraries, cafeterias, dormitories and the gym in short sleeves through skywalks all within a 5-minute walk. Some students have even been spotted     5     (enjoy) ice cream while admiring the snowy scenery along the pathways. Praise and     6     (admire) have poured in for the usefulness of the skywalks and the thoughtfulness of the college.

    7     (launch) in 2022, the construction of skywalks on campus is aimed at effectively reducing the impact of extreme weather     8     the campus life and enhancing convenience for both faculty and students. With     9     total length of 1,330.13 meters, the skywalks are built in three phrases. Currently, 881.81-meter skywalks are     10     (access).

During my recent travels in China, I went from the top to the bottom of the country. I was astonished at     1     different the weather was in different cities.

The weather was     2     (freeze) cold in Harbin, but felt much warmer in Shanghai, Guilin, Qingdao and Yangshuo. Each place has a different feel and allows you     3     (experience) different things.

In Qingdao, we ate seafood, drank beer and even swam in the sea. In Harbin, we wore our warmest jackets and saw the     4     (amaze) ice and snow sculptures (雕塑).

Shanghai reminded me     5     a city in Europe or America. There are lots of Western cafes.

Guilin was a good place to be touring around during Spring Festival. Fireworks     6     (fill) the sky and the streets were busy with happy people. I visited several old buildings and walked around a beautiful lake.

But Yangshuo     7     (be) my favorite place so far. I could not stop taking     8     (photo) of the beautiful mountains and the Lijiang River. I rode a bicycle along the Yulong River in the warm sun. I ate strawberries and drank tea that came from farms in the mountains.

Now, I am back in Beijing. I am looking forward to     9     next trip. I think I     10     (go) to another warm place!.