Câu 10 (1 điểm): Trên dòng sông AB, dòng nước chảy từ A đến B, có 2 chiếc ca nô. Nếu ca nô 1 xuất A và ca nô 2 xuất phát từ B cùng lúc đi về 2 phía nhau thì 2 ca nô gặp nhau tạ C cách A 6 km. Nếu ca nô 1 xuất B và ca nô 2 xuất phát từ A cùng lúc đi về 2 phía nhau thì 2 ca nô gặp nhau cách B 4 km. Biết một đám bèo trôi từ A đến B mất 3 giờ 20 phút. Hỏi nếu ca nô 1 đi ngược dòng từ B đến A thì mất mấy phút? 

The first industrial robot was (23) _____ to the U.S. in the 1960s. Since then, their technology has improved immensely creating many advantages of robots. The advancement of robotics has also causes robots to become more widespread across various industries ranging from manufacturing to health care. Many (24) _______ of robots seem to be most noticeable in productivity, safety, and in saving time and money.

Productivity

- Robots produce more (25)________ and high quality work.

- Robots rarely make mistakes and are more precise than human workers.

- They can work at a (26)________ speed with no breaks, days off, or holiday time.

Safety

- Robots save workers from performing (27)_____ tasks.

- They can work in hazardous conditions, such as poor lighting, toxic (28)_______, tight spaces.

- They are capable of (29)_______ heavy loads without injury or tiring.

Savings

- Robots save time by being able to produce a greater magnitude of products.

- Robots save companies money in the long run, fewer worker injuries, and with less (30)________