Formulários, as principais etapas dos métodos de cada tópico e 6 exercícios, com soluções completas no final.
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?
A report states: “Since the hospital began offering flu vaccines to all staff, staff sick days in winter have fallen by a third. Other hospitals in the region did not see this drop.” Why is the second sentence important?
Choose the correct form: “She is one of the ___ nurses on the unit.”
Choose the correct verb: “Had I known about the delay, I ___ earlier.”
Choose the meaning of the word in bold: “The doctor ordered an analgesic after surgery.”
What does the term hepatitis mean?
Resposta: C · Hand washing reduced the spread of infection to the mothers.
Deaths fell after doctors washed their hands, which suggests that the doctors had been carrying infection from the autopsies to the mothers.
Resposta: B · It makes a general winter change an unlikely cause.
If sick days had fallen everywhere, a mild winter might explain it. Because other hospitals did not see the drop, the vaccine is a more likely cause.
Resposta: D · best
“Good” has the irregular forms good, better, best. “Goodest” and “bestest” are not standard words.
Resposta: D · would have left
This is a past unreal condition with inverted word order. The main clause needs “would have” + past participle.
Resposta: A · A pain reliever
An analgesic is a medication that relieves pain.
Resposta: D · Inflammation of the liver
Hepat/o (liver) + -itis (inflammation). An enlarged liver is hepatomegaly.
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