According to the passage, which of the following sentence is NOT true? A. We know exactly when and how people first used fire. B. Before gas lamps and electric lamps appeared, streets were

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According to the passage, which of the following sentence is NOT true?

We know exactly when and how people first used fire.

Before gas lamps and electric lamps appeared, streets were lit by torches.

We can make a fire by striking a piece of iron on flint to ignite some tinder.

Matches and lighters were invented not long ago.

Giải thích

Đáp án A

Thông tin ở câu đầu của đoạn 2: We do not know exactly when or how people first used fire.

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