3. Read the texts once again and say if the sentences are true or false. Correct the false ones. • Agatha Christie was the "Queen of the Crime"._ • Hercule Poirot is a famous French detective. - • Miss Marple is a typical detective. — • Sir Arthur Conan Doyle was a doctor. — • Sherlock Holmes is extremely attentive. — • Jules Verne on his journey found an underwater city. —

Based on general knowledge of the authors and characters mentioned, here are the evaluations and corrections for the sentences:

1. Agatha Christie was the "Queen of the Crime." - True

2. Hercule Poirot is a famous French detective. - True (However, it's worth noting that he is Belgian, but often perceived as French due to his language and culture.)

3. Miss Marple is a typical detective. - False (Miss Marple is often considered an amateur sleuth rather than a typical detective; she is a spinster who solves crimes using her knowledge of human nature. Corrected sentence: "Miss Marple is an amateur sleuth.")

4. Sir Arthur Conan Doyle was a doctor. - True

5. Sherlock Holmes is extremely attentive. - True (He is known for his keen observation skills.)

6. Jules Verne on his journey found an underwater city. - False (While Jules Verne wrote about underwater cities in "20,000 Leagues Under the Sea," he did not find one himself. Corrected sentence: "Jules Verne wrote about an underwater city in his novel '20,000 Leagues Under the Sea.'")

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