2- Escreva frases empregando as palavras dadas:
a) you / Have / been/Europe? / ever / to
b) never / tried / They / Japonese food. / have
c) eaten / you / this / Have / restaurant? / in / ever
d) has / since / worked / 2010. / here / She
e) never / I / climbed / a mountain. / have
f) have / married / for / Peter and Anna / five / years. / been
Respostas
respondido por:
8
Resposta:
a)Have you ever been to Europe?
b) They have never tried Japanese Food.
c) Have you ever eaten in this restaurant?
d) She has worked here since 2010.
e) I've never climbed a mountain
f) Peter and Anna have been married for five years.
cadebestecom:
responde minha atividade por favor
respondido por:
3
a) Have you ever been to Europe?
b) They have never tried Japanese food
c) Have you ever eaten in this restaurant?
d) She has worked here since 2010
e) I have never climbed a mountain
f) Peter and Anna have been married for five years
Dados: índice de refração no vácuo é igual a 1.
sen 30°=1 sobre 2
sen 60°= ✓3 sobre 2
a partir disso: calcule o índice de refração do segundo meio.
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