化学就在我们身边，它与我们的生活息息相关．

（1）下表为某食品包装袋的部分说明．

请回答下列问题：

①在饼干的配料中，富含油脂的是____ ；

②配料中可用于腌渍蔬菜的物质是____ ；

③小麦粉中富含糖类，糖类在人体内经过一系列的变化最终转化为水和____ ；

④食用香精中含有香豆素（C₉H₆O₂），香豆素中碳、氢、氧三种元素的质量比为　____ ；

（2）现有H、C、O、Ca四种元素，请选用其中的元素写出符合下列要求的物质的化学式．

①最轻的气体____ ；②“西气东输”中“气”的主要成分____ ；

③人体中含量最多的物质　____ ；④可用作食品干燥剂的氧化物____ ．

Bury trip﹣﹣June 18th，2016

    We will be leaving the Perse School at 13：45．Please be at the school gate 10minutes early．If you are late，you may miss the bus and not be able to go! If you miss the bus，you won't get your money back．The bus is planned to arrive in Bury at 14：30，although this depends on traffic．You will have free time to walk around and we will meet at the same location where we arrived at 17：15to return to the Perse School by about 18：00．

    Things to do Visit the Abbey

    The Abbey is the min （废墟）of a church which was built more than 1，000years ago．There are many nice gardens in it．And next to the Abbey，there is a big new church．

    Have a drink in the Nutshell

    This little bar is famous in Britain because it is officially （正式地）the smallest bar in the country．Good things are put in small bags，and the Nutshell serves some of the area's finest beer，as well as fascinating photos．

    Have a look at a beer shop

    At the Greene King shop you can taste and buy some of the local beer，as well as food such as potato chips．There are also clothes available to buy．

    Several places are listed，but feel free to plan your own visit．

依次填入下列各句空白处的词语最恰当的一项是 （      ）
去年金秋          蟹肥稻熟时节我在盘锦第一次           了苇草被称之为“海”的浩瀚与壮美：无边无际的苇草森林般茂密草原般辽阔积雪般           波涛般雄浑纵横的芦荡间小船悠悠快艇疾驶宿鸭惊起白鹭翩飞看去真如一幅            的版画杰作。