1 . Tom _______________ the window when his attention was caught by a bird. (close)
汤姆正要关窗户的时候，一只小鸟吸引了他的注意力。

2 . If I had been more careful, the failure_______________.（avoid）
如果我更细心些，这次失败就能避免了。

3 . As for the latest iphone 6 plus, _________________the consumers most is the largest screen that Apple has ever produced. (appeal)
就最新的iphone 6 plus而言，最吸引消费者的是苹果公司发布的有史以来的最大屏幕。

4 . _______________ so many natural disasters, we come to realize that we should stress safety and value life.(experience)
经历了如此多自然灾害以后，我们逐渐意识到我们应当重视安全，珍惜生命。

5 . Human activities have caused many greenhouse gases, ___________________ carbon dioxide.(consist)
人类活动导致了许多温室气体，其中大多数由二氧化碳组成。

6 . It is the airlines rather than the unpredicted weather _______________ for most delayed fights.   (blame)
是航空公司而不是难以预测的气候应对大部分的飞机延误负责。

7 . Have you ever considered how weak humans are _______________ a volcano, hurricane or earthquake?(compare)
你是否想过与火山、飓风或地震相比，人类是何等脆弱？

8 . Once addicted to smoking, you will find _______________. (quit)
一旦对抽烟上瘾，你将发现很难戒掉。

9 . You’d better not throw away your electronic products but ______________. (repair)
你最好不要扔掉你的电子产品，而是把它们修理好。

10 . Only if you ask many different questions _______________ all the information you need to know.   (acquire)
只有提很多不同的问题，你才能收集到你所需要的信息。