3．—Did you practice__________． English this morning
8．Jenny won the first prize in the piano competition． She was so excited that she ______all night．
4．—What’s this________ English
Once a man and his wife worked for a businessman． There was a big box in the business-man-s living room． The businessman pointed at the box and said，”There’s only one thing you(11) do．Don’t open the box． After saying this，he(12)the living room．
铝、铜、铁、金四种金属具有相似的性质是
第②小节划线句表明了父母的一种什么心理？（2分）
我们周围有很多因素会影响到我们的心情及情绪，如：不同的音乐、新鲜的空气等。你认为有哪些因素会影响你心情的变化？请你根据这些因素与心情的关系，写一篇70词左右的短文。
(8分)在日常生活中，我们发现切过咸菜的刀更容易生锈．而除锈用稀盐酸比稀硫酸快。为了进一步验证上述现象，某校师生做了以下相关分组实验，请你根据自己平时课堂学习的体验一起参与讨论并回答相关问题。
我国“嫦娥工程”预计在2012年实施落月探测。已知月球上无大气、无磁场，物体在月球上所受重力只相当于地球上的1/6。在月球上，你认为下列情况可能的是 （ ）
He is so excited that he can-t speak．（改为同义句）
27． Which is the quickest and cheapest way to send messages to your friends
_______are my sisters．
题目略。
48．—Mary，would you like to visit the science museum with me
How would the woman get to work？