对能引起情感波动的且与自身密切相关的事情缺乏相应的情感反应，内心体验贫乏，与环境缺乏感情联系是情感低落的表现。 ( )
参考答案：错
7.85扩大到它的（ ）倍是78.5。
In spoken English of some areas in the US, the "r" sounds at the end of the words（）
A. are dropped
B. drop
C. are being dropped
D. have dropped
