A survey was carried out on the death rate of those who were infected by SARS, ________were surprising.

单选题

A survey was carried out on the death rate of those who were infected by SARS, ________were surprising.

答案解析

单选题

_____are to be carried out on all ships instead of the second or third annual survey within 3 months, before or after either one of the anniversary date, after completion, commissioning or special survey, as appropriate.

答案解析

单选题

That happiness knows no gender was borne_____by a worldwide survey of almost 170,000 people,conducted in the 1980s and reported by Ronald Inglehart of the University of Michigan.

答案解析