单项选择题
A. to make some sound experiments in the oceans B. to collect samples of sea plants animals C. to estimate the length of cable that was to be made D. to measure the depths of two oceans
A. Sweden has more advanced technology. B. Sweden has a patient data collecting system. C. Sweden has a much larger number of patients. D. Swedish doctors are more responsible and skilful.
A. it’s easier to get part-time work abroad B. there are more activities to take part in than at home C. everyone can get scholarships or special loans D. their main problem abroad is the lack of money