1.Dễ
An ambulance siren sounds higher as it comes towards you and lower as it moves away. This change in sound is called the Doppler effect. What is the Doppler effect, according to the passage?
- AThe speed at which an ambulance can travel
- BThe echo of a sound off tall buildings
- CThe change in a sound as its source moves
- DThe loudness of an ambulance siren at night
2.Dễ
A map has a scale that shows 1 centimetre = 2 kilometres. Two towns are 3 centimetres apart on the map. How far apart are the towns in real life?
- A6 kilometres
- B2 kilometres
- C5 kilometres
- D3 kilometres
3.Dễ
Kai wanted to bake bread. He mixed flour, water, yeast and salt. He left the dough to rise for an hour. Then he shaped it into a loaf and baked it. What did Kai do after the dough rose?
- AHe shaped it into a loaf.
- BHe bought more flour.
- CHe mixed in the salt.
- DHe added more yeast.
4.Trung bình
In the 1840s, the doctor Ignaz Semmelweis noticed that many mothers died after childbirth in wards where doctors came straight from performing autopsies. When he required doctors to wash their hands in a chlorine solution, the death rate dropped sharply. What does the passage suggest?
- AThe mothers died because of problems during birth only.
- BChlorine was used to make medicines for new mothers.
- CAutopsies were no longer performed in that hospital after the year 1840.
- DHand washing reduced the spread of infection to the mothers.
5.Trung bình
“Pressure ulcers, also called bedsores, can form when a person lies in one position for too long. Nurses help prevent them by changing the patient’s position regularly.” Why do nurses change patients’ positions?
- ATo make the bed easier to clean
- BTo check the patient’s temperature
- CTo help prevent pressure ulcers
- DTo help patients sleep longer
6.Trung bình
Jordan studied every evening for two weeks and made flashcards of the hardest terms. On the day of the exam, he walked out of the room smiling. What can you infer about Jordan?
- AHe studied only the night before.
- BHe did not take the exam.
- CHe forgot all the terms.
- DHe felt that the exam went well.
7.Khó
“The company claims its water filter removes 99% of germs. The claim is based on one test, run by the company itself, on water from a single tap.” What is the best evaluation of the claim?
- AIt is reliable because the company ran the test.
- BIt needs independent and wider testing.
- CIt is proven true for all types of water.
- DIt is false because filters cannot remove germs.
8.Khó
Passage 1: “School uniforms reduce bullying because no one is teased about clothes.” Passage 2: “School uniforms limit students’ ability to express who they are.” What is the main difference between the two passages?
- ABoth argue that uniforms cost too much.
- BBoth argue that uniforms should be banned.
- COne argues for uniforms and the other against.
- DOne gives facts while the other tells a personal story.
Đáp án
- 1. C · The change in a sound as its source moves
- 2. A · 6 kilometres
- 3. A · He shaped it into a loaf.
- 4. D · Hand washing reduced the spread of infection to the mothers.
- 5. C · To help prevent pressure ulcers
- 6. D · He felt that the exam went well.
- 7. B · It needs independent and wider testing.
- 8. C · One argues for uniforms and the other against.
Lời giải đầy đủ từng bước: hãy luyện chủ đề này trên examproblems.com.