小题1:Computers has become very important in many areas of work and leisure.

小题2:Many trees are cut down every year,.

小题3:T he boy has trouble in learning English.

小题4:Listening to the English tapes can help improve our Listening.

小题1:考查对句子结构的把握。由图可知，现在电脑在各种工作和娱乐休闲中，变得很重要。故翻译为Computers has become very important in many areas/kinds of work and leisure.

小题2:考查时态和被动语态。由图可知，每年有很多树被砍掉。cut down“砍倒”。故翻译为Many trees are cut down every year.。

小题3:考查固定句型。Have trouble (in) doing sth.“做某事有困难”。故翻译为The boy has trouble in learning English.。

小题4:考查动名词作主语。Listening to the English tapes“听英语磁带”。由图可知，听英语磁带有助于提高听力。故翻译为Listening to the English tapes can help improve our Listening.。