A.using the principles of GNH to measure their progress
B.working together to develop a common scale to measure GNH
C.taking both Bhutan and Brazil as symbols for social progress
D.trying to find their own ways to measure happiness
第6题
安全是指安稳而无危险的事物,泛指没有危险,不受()和不出事故的状态。
A.危险
B.威胁
C.事故
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