小王上周五买进某种股票1000股，每股28元：如表为本周每天收盘时刻股票的涨跌情况：（单位：元）

北方和南方的界限与多少毫米降水量线吻合？（    ）

根据括号中所给的汉语写出单词。
⑴Those boys like playing hide-and-seek and often hide ____ (在…之中) the trees.
⑵How beautiful she is and her skin is as ____ (光滑的)as silk.
⑶She is looking forward to____ (收到) letters from her friends.
⑷The heavy smog makes it more difficult for us to see traffic signs ____ (清楚地).
⑸After several____ (星期) study, we will have our senior high school entrance exam.
B）根据句子意思，用括号中所给单词的正确形式填空。
⑹In the morning, taking a walk and____ (breathe) some fresh air are good for your health.
⑺He was ____ (terrible) hurt and had to stay in hospital for a long time.
⑻Many____ (wood) houses have been built for the tourists in this area recently.
⑼Mr. Brown ____ (prefer) hiking to running when he was in his twenties.
⑽Tian' anmen Square is always filled with ____ (visit) on National Day.

读下面文字，完成后面题目。
        读《阿长与<山海经>》，我们了解阿长，卑微却让人怀念；读《背影》，我们看到父亲，在人生狼籍时，却用一个蹒跚（      ）的背影诠释父爱如山；读《老王》，我们听到，一个幸运的人对不幸者的愧作；读《台阶》，我们体验到了父亲，圆梦时坐在高台阶上的尴尬（      ）。