小题1:我们为中国登山队再次成功登上珠穆朗玛峰顶而感到骄傲。
We ______________________________that the Chinese climbers reached the top of Mount Qomolangma again.
小题2:我们旅行时，安全是最重要的。
__________________________________ while we are travelling.
小题3:这个工厂一直把垃圾倒在河里，但现在已经有了很大的改变。
The factory __________________________________, but now it has changed a lot.
小题4: 她太激动了，以至于一直哭着，说不出话来.
She was so excited _______________________________________________________.
小题5: 杰克喜欢表演并已成功扮演了一位推销员的角色。
Jack likes acting and he __________________________________ a salesman successfully.
小题6:我不能冒险让他独处，即使是一会儿。
I couldn’t____________________________________, even for a short time.
小题1:were proud of the great success
小题2:Safety is the most important
小题3:used to dump its waste into the river
小题4:that she kept crying without saying anything
小题5:has played the role of
小题6:take the risk of leaving him alone
题目分析：
小题1:.考查固定句型。Be proud of 对…感到骄傲；the great success巨大的成功；时态用一般过去式，结合题意故填were proud of the great success。
小题2:考查最高级。the most important词组最重要的；名词作定语故用名词Safety作主语。根据题意故填Safety is the most important
小题3:考查固定词组。used to do固定词组意思是过去常常做某事；dump… into…表示把……倒进…故填used to dump its waste into the river
小题4:考查固定句型。So…that…句型如此……以至于……。keep doing表示一直做某事；without saying anything什么都没有说；根据题意故填that she kept crying without saying anything
小题5:考查动词的时态。played the role of表示扮演….角色。根据题意用现在完成时，故填has played the role of
小题6:考查固定词组。take the risk of表示冒险；leave sb alone表示把某人单独留下；根据题意故填take the risk of leaving him alone。