Listen carefully and choose the word you hear.
A. sin
B. thin
Listen carefully and choose the word you hear.
A. low
B. though
A: Can you tell the difference between /θ/ and /ð/.B: Of course. /θ/ and /ð/ take the same mouth position, but /θ/ is_____ and /ð/ is ________.(所填答案字母注意要求全部小写)
1989年联合国世界卫生组织(WHO)对健康作了新的定义:健康不仅是没有疾病,而且包括()。
A. 躯体健康
B. 心理健康
C. 社会适应良好
D. 道德健康