Complete each sentence about the travel requirements for US, Spanish, or Latin American citizens traveling abroad. Choose the appropriate phrase (tienen que or hay que). Fill in the blanks:

Los brasileños vacunarse antes de viajar a los Estados Unidos.
tener pasaporte para poder viajar.
Víctor and Emily solicitar la visa de turista.
vacunarse antes de viajar.

Los brasileños tienen que vacunarse antes de viajar a los Estados Unidos.

Hay que tener pasaporte para poder viajar.

Víctor and Emily tienen que solicitar la visa de turista.

Hay que vacunarse antes de viajar.

4) read the following excerpt. cognitive psychology has been widely developed, not only in brazil, but also in the world. it studies human intellectual capacities, analyzing the ways in which people solve mental tasks, and construct models for understanding such processes, understood from the information processing paradigm. this occurs through basic and superior cognitive processes. is one of the basic cognitive processes, considered the gateway to the stimuli that will be processed cognitively. through it we can extract meanings from the external environment, either through vision or through hearing. check the alternative that fits the gap correctly. select an alternative: a) perception. b) attention. c) memory. d) consciousness. e) intelligence.