A. 1 hour. B. 2 hours. C. 3 hours. D. 2.5 hours.
A. Students in Southeast Asia have great pressure in study. B. Genetic factors in visual impairment and blindness. C. Students in Southeast Asia should spend more time outdoors. D. The reason why students in Southeast Asia have pressure.
A. Objective. B. Negative. C. Positive. D. Indifferent.
A. City life. B. Extreme sports C. Human's potential. Danger and safty.
A. They like to stay isolated. B. They prefer danger to safety. C. They want to know their potential. D. They are bored with the traditional ones.
A. It's interesting and challenging. B. It is dangerous and needs no skills. C. It can enable people to face fears. D. It only stimulates individualism.
A lot of people are traveling to Australia. B. A lot of people are sparing time for traveling. C. People go abroad for traveling. D. People go shopping abroad.
A. Because of its cleanness. Because of its multi-ethnicity. C. Because of its shoping environment. D. Because of its modernization.
A. Sad. B. Unbelievable. C. Unique. Dangerous.
A. The unsettledness of travel. B. The difficulties of travel. C. The loneliness of travel. D. The misery of travel.