单项选择题
A. The world will need 60% more food. B. The world will need 60% more fresh water. C. The world’s population will increase 17%. D. Fresh water will be in short supply in many countries.
A. The victory over one’s fellow runners. B. The victory over former runners. C. The victory of will-power over fatigue. D. The victory of one’s courage over illnesses.
A. He invented a concentrated syrup for headache. C. He transformed cola to a soft drink. B. He invented cola as a soft drink. D. He made a lot of money from cola.