题目

根据下列句子及所给单词的首字母，写出各单词的完全形式（每空限填一词）。 71. I went to the l_____________ to borrow an English-Chinese dictionary. 72. You’d better stop working to have a r____________ . 73. How about f______________ to Kunming? I think it’s far more enjoyable. 74. The sign “No p_______________ ” tells you not to stop your car here. 75. I like Chinese tea w______________ anything in it, but my friend John likes tea with some milk. 小丽从自由市场购买了一箱牛奶，她想知道在牛奶中是否掺了水。通过查阅资料得知，在牛奶中掺水后，掺水含量与牛奶密度的关系如下表所示。小丽取50mL这种牛奶，测得它的质量为51.2g，则这种牛奶掺水含量为______________。 牛奶中掺水含量 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 牛奶密度（g/cm3） 1.030 1.027 1.024 1.021 1.018 1.015 1.012 1.009 1.006 1.003 1.000