Which of the following best represents how the brain communicates?
a. neuron releases a message on a neurotransmitter Æ neurotransmitter transfers the message Æ receptor
receives the message Æ transporter recycles the neurotransmitter
b. neurotransmitter releases a message Æ receptor receives the message Æ transporter recycles the
neuron Æ neuron sends a response
c. neuron releases a message on a transporter Æ transporter transports the message Æ receptor receives
the message Æ neurotransmitter transcribes the message
d. neurotransmitter releases a message on a transporter Æ neurotransmitter transfers the message Æ
neuron receives the message Æ receptor recycles the neuron
a
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Vamos a escuchar. Answer the questions you hear, using complete sentences. Click here for audio. (3)
What will be an ideal response?
Complete the following paragraph with the correct indefinite article.
Gianluca è 1.__________ studente universitario. Frequenta 2.__________università di Roma. Lui ha 3.__________sorella che si chiama Maria. Ha 4. __________motorino—una Vespa! Gianluca 5.__________computer—un MacBook Pro. Gianluca ha anche 6._________ calcolatrice per la classe di matematica. Lui ha 7.__________ stereo per ascoltare la musica. Ha 8.__________ telefonino molto bello—un iPhone. Ha 9.__________ orologio Rolex. Ha 10. __________ lettore DVD.
PASO 3.Palabras escuchadas (heard).These are some of the things Mauricio heard during his visit to Puebla. Fill in the blanks with the word that best completes the following sentences. ? ? ? (Me / Te / Nos) ___________________ gustaría ir al Zócalo. ¿Quieres venir conmigo? ?
Fill in the blank(s) with the appropriate word(s).
You will see a segment about a method used to protect the environment. First, read the questions and the Vocabulario del segmento. Then watch the segment and answer the questions.
¿Qué pasa en la Avenida de la Reforma los domingos?