1. (2021八下·九龙坡期中) 阅读理解

In Wenling, Zhejiang on June 13, 2020, the explosion(爆炸) of a tank truck(槽罐车) filled with liquefied gas(液化气) on Highway G15 shocked the country. It has already caused 20 deaths and over 100 injuries up to June 15. Except for accidents like this, natural disasters are also a threat(威胁) to people's lives.      ▲      .

Floods(洪水) took thousands of lives every year. The easiest way to keep yourself safe is to get to higher grounds like the top of a building. Do not try to swim across a river because no matter how good a swimmer you are, the water will run too quickly for you. Another important thing is not to panic(慌张), shout or do anything that may make you weak. Save your energy and wait for help.

These years, earthquakes happen more often than in the past. Luckily, nowadays, a few seconds before the earthquake comes, your cell phones can receive warnings. Pay attention to them. If you are at home, turning off electricity(电) and gas as quickly as possible may lower(降低) the risk of explosion. What's more, news reports say sometimes jumping out of a tall building may be more dangerous than staying where you are.

Fire is also dangerous. If your clothes are on fire, do not run around and hope the wind helps put out the fire. The right thing to do is to roll(打滚) on the ground. Do not use elevators when fire happens. Smoke can choke(呛) you, so prepare a wet towel and lower your body to avoid(回避) smoke. If you have to get out of the building, try to use sheets(床单) as a life-saving rope. Never jump directly out.

1. （1） The best sentence for      ▲      could be ______.

   A . Remember to be careful when going near a tank truck. B . Floods, earthquakes and fires are dangerous, too. C . What kinds of natural disasters do you know? D . What can we do if we are caught in them?
3. （2） When floods come, we should ______.

   ①get to higher grounds            ②prepare a wet towel 

   ③swim across the river            ④try to save our energy

   A . ①③ B . ③④ C . ②④ D . ①④
5. （3） To lower the risk of explosion when earthquakes come, you may ______.

   A . pay attention to the warnings B . turn off electricity and gas C . use sheets as a life-saving rope D . lower your body to avoid the smoke
7. （4） Picture _________ shows the right structure(结构) of the passage.

   (① =Para. 1; ②=Para. 2; ③=Para. 3; ④=Para. 4)

   A . B . C . D .