B. Listen again. Circle T for True or F for False.

(Lắng nghe một lần nữa. Khoanh tròn Đ cho câu Đúng hoặc F cho câu Sai)

1. Some companies use NASA's water filtering technology to make water bottles.          T      F

2. Infrared thermometers measure a person's temperature from inside their mouth.          T      F

3. The new thermometers can measure temperature in two seconds.          T      F

4. The problem with plastic glasses is that they break easily.          T      F

5. Coating eyeglasses with thin plastic makes them scratch-proof.          T      F