Read the following research paper excerpt and answer the question.
According to Mario Pei, slang is common to English as well as to foreign languages (80). Many
words that were once considered slang are now words of full, legitimate standing in our
language. Some of these words are strenuous, spurious, clumsy, and bogus. Even Shakespeare
introduced into current usage such slang terms of his day as hubbub, fireworks, fretful, (to)
bump, and (to) dwindle. Pei estimates that about 90 per cent of all slang worvis eventually
become permanent (Johns 12).
What types of language has the author used?
He is using informal language.
He is using formal language.
He is using critical language.
He is using objective language.

D

Explanation:

Objective looks at point from a balanced perspective considering verifiable facts.

i decided to stay late in the laboratory to continue my experiment with the lightbulb. at midnight, thomas edison opened the door and walked in with his head held high.

1. he leaned on the wall and observed me carefully.

2. his harsh scrutiny made me self-conscious of my skills in the lab.

3. perhaps it was just me, but the air in the laboratory began to thicken as i found myself having difficulty to breathe.

4. i turned to look at him fully as i mentally prepared myself for what my very first words would be to thomas edison.

5. the next couple of seconds shocked me. it wasn't me who spoke, but rather him and with diction i could never think of using in a simple sentence.

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hey, sorry if this was bad, i really didn't know what to write but i wanted to you. is there anything that you had to include within the excerpt?

need more information so i can .

explanation: