1.やさしい
A rainbow can appear when sunlight shines through raindrops. The drops bend the light and split it into different colours. What causes a rainbow?
- ASunlight passing through raindrops
- BMoonlight on the sea
- CWind blowing the rain sideways
- DClouds blocking the sunlight
2.やさしい
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 change in a sound as its source moves
- BThe loudness of an ambulance siren at night
- CThe speed at which an ambulance can travel
- DThe echo of a sound off tall buildings
3.やさしい
A good night’s sleep helps the brain store what we learned during the day. Teenagers need about 8 to 10 hours of sleep each night, but many get less. How much sleep do teenagers need, according to the passage?
- AAbout 2 to 3 hours a night
- BAbout 8 to 10 hours a night
- CAbout 5 to 6 hours a night
- DAbout 12 to 14 hours a night
4.ふつう
In 1928 Alexander Fleming returned from holiday and noticed that mould had grown on one of his bacteria dishes. Around the mould, the bacteria had died. This led to the discovery of penicillin. What led Fleming to discover penicillin?
- AHe tested many chemicals on bacteria in 1928.
- BHe was trying to grow mould on purpose.
- CHe found penicillin in a book while on holiday.
- DHe noticed that bacteria near a mould had died.
5.ふつう
“Rain had not fallen for three months. The river was so low that boats could not use it, and farmers worried about their crops.” What problem does the passage describe?
- AAn earthquake
- BA heat wave in winter
- CA flood
- DA drought
6.ふつう
“Despite his fear of heights, Leo climbed the tall ladder to rescue the kitten stuck on the roof.” What does this show about Leo?
- AHe wanted to fix the broken roof.
- BHe was annoyed by the noisy kitten on the roof.
- CHe was brave enough to face his fear.
- DHe was not afraid of heights at all.
7.むずかしい
“The town’s only factory closed in March. By summer, several shops on the main street had shut, and the bus service was cut to twice a day.” What does the passage suggest?
- AThe shops closed because of new laws.
- BThe bus service improved over the summer.
- CThe factory closing hurt the wider town.
- DThe factory reopened later that year.
8.むずかしい
The dosage chart reads: “Weight 10–14 kg: 5 mL. Weight 15–19 kg: 7.5 mL. Weight 20–29 kg: 10 mL. Give every 6 hours as needed, no more than 4 doses in 24 hours.” A child weighs 18 kg. What is the most this child may receive in 24 hours?
- A30 mL
- B20 mL
- C7.5 mL
- D40 mL
解答
- 1. A · Sunlight passing through raindrops
- 2. A · The change in a sound as its source moves
- 3. B · About 8 to 10 hours a night
- 4. D · He noticed that bacteria near a mould had died.
- 5. D · A drought
- 6. C · He was brave enough to face his fear.
- 7. C · The factory closing hurt the wider town.
- 8. A · 30 mL
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