江西省九江十校2024届高三第一次联考英语x

2023-11-21 15:43:48 10℃

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24.What do we know about Brother from Paragraph 1?A.He ignored Sister's words.B.He comforted his sister.C.He lit Mother's lamp.D.He hid the ball away.25.How did the kids feel when Mother came closer?A.Cheerful.B.Annoyed.C.Disappointed.D.Frightened.26.What made Mother breathe a sigh?A.The broken lamp.B.Her guilt for the kids.C.The kids'dishonesty.D.The kids'cooperation.27.What does the underlined word"it"refer to in the last paragraph?A.Mother's sadness.B.Mother's trust.C.Mother's lamp.D.Mother's expectation.CTake care of your plants!They may "scream"if you treat them badly.Although this is anexaggeration,plants can make sounds when they are stressed,according to a recent paper published inCell."Plants interact with insects and other animals all the time,and many of these organisms usesound for communication,so it would be impossible for plants not to use sound at all,"Lilach Hadany,co-author of the study,told Science Focus.With this in mind,the research team started by recording plants'sounds.They placed tobacco andtomato plants in soundproof boxes.Several ultrasonic microphones were then put near the plants,which can record at frequencies (between 20 and 250 kilohertz.The maximum frequency that ahuman adult's ear can hear is about 16 kilohertz.There were three groups of plants:the first group wasn't watered for five days,the second grouphad the stems cut off and the last group was untouched.The microphones caught sounds at a frequencyof 40 to 80 kilohertz from the first two groups.The sound,which was similar to the noise of popcompopping when"translated"into a frequency humans can hear,grew louder and louder during the fivedays of water stress.They became lower as the plants dried out.A stressed plant produced the popping sound around 30 to 50 times per hour,while the untouchedgroup only produced around once per hour,according to the study.The researchers haven't yetdiscovered how the sounds are made.One theory is that they coud be made during cavitation,which isa process of an air bubble in the plant collapsing under some kind of pressure.After the experiment,the team gathered the data on stressed plants and then mademachine-leamning software that could tell how plants"fee It could tell the difference betweenunstressed plants,thirsty plants and cut plants,which can be useful for farmers in monitoring theconditions of their crops.28.Why did the researchers place tobacco and tomato plants in soundproof boxes?A.To help these plants to grow rapidlyB.To shut off the noise in the environment.C.To take care of these plants carefully.D.To protect these plants from sunlight.29.What does Paragraph 4 mainly talk about?A.The equipment of the experiment.B.The principle of the experiment.C.The purpose of the experiment.D.The procedure of the experiment.赣州市期末考试高一英语试卷第4页（共8页）

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