“Miss Emlyn read us some of it. I asked Mummy to read some more. I liked it. It has a wonderful sound. A brave new world. There isn’t anything really like that, is there?”

“You don’t believe in it?”

“Do you?”

“There is always a brave new world”, said Poirot, “but only, you know, for very special people. The lucky ones. The ones who carry the making of that world within .”

(Adapted from Agatha Christie, Hallowe’en Party)

Fill in the blank, in the text, with the appropriate reflexive pronoun.

Dois fios condutores longos são percorridos pela mesma corrente elétrica nos sentidos indicados na figura.

A opção que melhor representa os campos magnéticos nos pontos A, B e C, respectivamente, é

Marque a alternativa correta quanto à separação silábica.

Plane crashed in France

A plane which was flying Barcelona Dusseldorf crashed in the French Alps last Tuesday. Nobody survived of the 144 passengers and 6 crew on board.

Among the passengers were 16 school children and two teachers from a German school. It is also thought that two babies were on board the aeroplane.

The German airline says that it believes that the crash was an accident, but it’s still working to establish the exact cause.

GLOSSARY
Crew - um grupo de pessoas que trabalham na aeronave.

“Establish”, in bold type in the text, is closest in meaning to

A figura abaixo ilustra um círculo com centro em O, origem do plano cartesiano, e uma reta r. Considerando tal figura, a área da região sombreada corresponde a

Um triângulo acutângulo ABC tem a medida do ângulo  igual a 30º. Sabe-se que os lados adjacentes ao ângulo  medem !$ \sqrt{3} !$ cm e 4 cm. A medida, em cm, do lado oposto ao referido ângulo é

“Miss Emlyn read us some of it. I asked Mummy to read some more. I liked it. It has a wonderful sound. A brave new world. There isn’t anything really like that, is there?”

“You don’t believe in it?”

“Do you?”

“There is always a brave new world”, said Poirot, “but only, you know, for very special people. The lucky ones. The ones who carry the making of that world within .”

(Adapted from Agatha Christie, Hallowe’en Party)

According to Poirot

Um garoto, brincando com seus carrinhos, montou engenhosamente um elevador hidráulico utilizando duas seringas de êmbolos com diâmetros de 1,0 cm e 2,0 cm. Ligou as duas por uma mangueira cheia de água, colocando um carrinho sobre o êmbolo de maior diâmetro. Apertou, então, o êmbolo de menor diâmetro para que o carrinho fosse levantado até determinada altura. A força que o garoto aplicou, em relação ao peso do carrinho, foi

Associe corretamente os conceitos de acústica, contidos na coluna da esquerda, com suas respectivas características principais, constantes na coluna da direita e, em seguida, assinale a alternativa com a sequência correta.

(1) Altura

(2) Timbre

(3) Intensidade

( ) Grave e agudo

( ) Amplitude de vibração

( ) Fontes sonoras distintas

Teacher: Donald, what is the chemical formula for water?
Donald: HIJKLMNO.
Teacher: What are you talking about?
Donald: Yesterday you said it’s H to O.
Teacher: No! I said H20. You’ve heard me wrong.

We can infer that