题型:阅读选择 题类: 难易度:普通
四川省德阳市中江县2023-2024学年八年级上学期期末英语试卷
Dogs really are man's best friends, and they are very useful in some ways.
A new study said that dogs can smell(闻) if people are feeling stressed(有压力的). They can smell the difference in breath(呼吸) and sweat(汗液) from people. Then they can tell if people are. stressed or not. It could be 93.75 percent right! A study from scientists at Queen's University Belfast, UK, said this.
Scientists got breath and sweat from people both before and after doing a hard maths problem. They looked at the people's heart rate(心率), blood pressure(血压) and stress level(压力水平) in the study. The dogs found stress in 675 of the 720 people, that is 93.75 percent of the people, reported Australian news.
Stress makes people's breath and sweat different. Dogs can smell that difference, said the study's writer Clara Wilson. In the study, she also said this finding helps us know how dogs may know people's feelings.
Dogs are always man's best friends, and they have special ability(能力), do you think so?
wonderful / advise / changes / take after / activities / with / go on |
Harbin, a city in the northeast of China, drew greatattention and became the hottest tourist city last winter. In fact, on January 5th every year, the city of Harbin innortheast China{#blank#}1{#/blank#} into a winter wonderland. Tourists from all around the world come to visit the {#blank#}2{#/blank#} ice and snow festival.
The festival started in 1963 and began as a winter party. The festival often lasts for one month. However, if the weather stays cold and dry, it will {#blank#}3{#/blank#} for a few more days. Temperatures are usually very low. They can go down to -17℃. Ice sculptors (雕塑家) use different tools to shape the hard ice and snow. These sculptors show their works in two main areas. "Sun Island" has huge snow sculptures of people and animals. "Ice and Snow World" has sculptures of buildings. At night, these buildings light up {#blank#}4{#/blank#} brightly-colored lights. Visitors can do a lot of other {#blank#}5{#/blank#}, such as skiing and ice sliding. They can also go swimming in the icy waters of the Songhua River.
Can fire accident happen when we are at home? What can we do to make sure that we and our families are less likely to be destroyed by fire? Fire is hot, and the smoke from it pollutes the environment around us. Fire can also destroy things in our homes. Here are what we can do to protect our homes from fire.
In the kitchen | ★Don't cook alone or without being together with an adult ★Don't put anything that is easy to burn near a stove (火炉). |
In the house | ★Never put anything like clothes or a blanket on a lamp (灯). ★Don't stand too close to a fireplace or a stove. Maybe our clothes can catch fire. ★Never play with matches or candles. If we see someone playing with them, ask him or her to stop. |
Around electricity | ★Never put anything into an electrical socket (插座). ★Turn off lights, televisions and other electrical machines after using them. |
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