Problems relating to people’s livelihood have been the focus of the government, especially _______ ­­Premier Wen Jiabao included them in his government work report last year.

随着人民生活水平的提高，出国游、看世博等，已越来越多地走进寻常百姓家。这表明（    ）

①收入是消费的前提和基础     ②享受资料消费已成为我国的主流消费

③我国旅游产业发展迅速       ④我国居民消费的恩格尔系数提高

下列物质俗名与化学式不相符的是 (       )

给下列形近字注音组词。

拱 ：____，____ ,烘：____，____ ;

陡：____，____ ,徒：____，____ 。

根据课文内容填空。