Question

1. which chinese start - up company claims its recently released a.i. model was developed more cheaply and using less advanced chips than its western rivals?

a. deepseek
b. meta
c. openai
d. perplexity ai

1. as used in the introduction to the article, the word tentative most nearly means

a. enthusiastic
b. shaky
c. forceful
d. unconditional

Explanation:

Question 4

To solve this, we analyze each option:

• Option A: Deepseek is a Chinese start - up company in the AI field. It has made claims about developing its AI model more cost - effectively with less advanced chips compared to Western rivals.
• Option B: Meta is an American company, not a Chinese start - up.
• Option C: OpenAI is an American organization, not a Chinese start - up.
• Option D: Perplexity AI is not a Chinese start - up.

The word "tentative" means not certain or definite, kind of shaky or uncertain. Let's analyze the options:

• Option A: "Enthusiastic" means full of enthusiasm, which is not related to the meaning of "tentative".
• Option B: "Shaky" can imply unsteady or uncertain, which is close to the meaning of "tentative".
• Option C: "Forceful" means having force or strength, which is opposite to the meaning of "tentative".
• Option D: "Unconditional" means without conditions, which is not related to the meaning of "tentative".

Answer:

A. Deepseek

Question 5