BBC news 2009-10-13 加文本

1.The UN says even if governments scale up agriculture investments, there could still be 370 million people suffering from famine in 2050.

scale up按比例增加

例句：In addition to figuring out how to scale up their effort, Wang and colleagues have another big challenge to iron out.
      除了增加努力之外，王和他的同事还有另外一个很大的挑战需要克服。

2.On one hand, it won’t accept blame for what happened and says only 57 demonstrators died. On the other hand, it has tried to join in the grief, labelling it a national tragedy.

On one hand，On the other hand一方面,另一方面

例句：On the one hand I have to work; on the other hand I have many visitors to see.
      一方面我必须工作；另一方面我有许多来宾要照看。

3.But officials there stressed that he had no access to dangerous materials nor is he suspected of targeting that high-tech installation.

have access to可以获得;进入

例句：Students must have access to good books.
      学生应该读得到好书。

be suspected of被怀疑患有..., 被怀疑(做)...

例句：He was suspected of implication in several robberies.
      他被怀疑涉嫌几桩盗窃案。

4.Many of the facilities that are being built for the games have missed their deadlines, and Mr. Fennell said there could be no more slippages.

miss their deadlines错过期限。如果按照期限完成，则用meet the deadline

5.Correspondents say the measures could also contribute to a loss of votes for the governing left-wing Broad Front Party in the general election later this month.

contribute to为…作出贡献,为…撰稿,向…投稿,捐助,有助于,促进

例句：Drink contributed to his ruin.
      饮酒促成他的毁灭。