完成句子（共10小题；每小题1分，，满分10分）
【小题1】The school year (被分成)two semesters.
【小题2】They have (建造)a lot of high-rise buildings recently.
【小题3】She explains exactly what is happening and (因此)my work is improving.
【小题4】Travelling (以……速度)over 400 kilometers per hour, the train can plete the 30-kilometre journey in eight minutes.
【小题5】When we use metals, it is important to know how they (对……起反应)different substances.
【小题6】NSFNET the Inter-Network, or “Internet”. （作为…而闻名）
【小题7】The reaction of metals with these substances can be （按顺序排列）
【小题8】In America, students and teachers are quite each other, but teachers can have big problems with discipline. （和……在一起很放松）
【小题9】Ghan Afghanistan （是…的缩写）
【小题10】She gave us instructions and then we worked （单独地，独自地）is divided into
网友回答
(答案→)is divided into
解析：
【小题1】is divided into注意使用被动语态的形式；
【小题2】put up 因为是两个空，考虑短语具有“建造的意思”；即put up；
【小题3】as a result 此处3个空，as a result结果，因此；
【小题4】at a speed of 考查短语的表达，注意以用介词at；
【小题5】react with 考查短语的用法。注意介词with 使用；
【小题6】became known as 考查短语的用法。
【小题7】put in order 考查动词短语的用法。
【小题8】relaxed with 考查动词短语的用法。
【小题9】is short for 考查形容词短语的用法。
【小题10】by ourselves 考查反身代词的用法。