The feeling pf loneliness which can overcome you when you are m a crowd is very difficult to get rid of. People living alone are advised to tackle their loneliness by joining a club or society, by going out and meeting people. Does it really help?
There are no easy solutions. Your first day at work, or at a new school or university, is atypical situation in which you are likely to feel lonely. You feel that everybody else is full of confidence and knows what to do, but you are adrift and helpless. The fact of the matter is that, in order to survive, we all put on a show of self-confidence to hide our uncertainties and doubts.
In a big city it is particularly easy to get the feeling that everybody except you is leading a full, rich and busy life. Everybody is going somewhere, and you tend to assume that they are going somewhere nice and interesting whereas your destination is less exciting and fulfdling.
第4题
A、A. 防渗层、排水层、植被层
B、B. 防渗层、排水层、植被层
C、C. 排气层、防渗层、排水层、植被层
D、D. 排水层、防渗层、排水层、植被层
第7题
A.人工湿地进水悬浮物含量不大于100mg/L
B.水平潜流型人工湿地的填料层应由单一且均匀的填料组成
C.人工湿地常选用苗龄很小的植株种植
D.人工湿地的防渗材料主要有塑料薄膜、水泥或合成材料隔板、黏土等
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