A、1, 2 and 4 only
B、1, 2, 3 and 4
C、1 and 4 only
D、2 and 3 only
I. Which of the following statements are Ture (T), and which are False (F)? 1. Pseudoscientific ideas are not tested, or are not testable. [T/F] 2. Aliens have visited the earth in the past and influenced our civilization. [T/F] 3. Science ideas are open to tests, and are testable. [T/F] 4. Science is based on facts and observations. [T/F] 5. Crop Circles are believed made by aliens. [T/F] 6. A rock formation on Mars that resembles a face is believed to be evidence of life. [T/F] 7. The Earth is not a perfect sphere in shape. [T/F] 8. Pseudoscientific ideas are basis on which science develops. [T/F] 9. The Great Wall of China is the only man-made object that can be seen from the moon with the naked eye. [T/F] 10. Science fiction does not belong to pseudoscience. [T/F] 1-5:????? 6-10:?????
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