题目

“化学就在我们身边，它与我们生活息息相关”。请你用化学知识回答下列问题。 （1） 国家推广使用加铁强化酱油，这里的“铁”是指的（填“元素”或“单质”）； （2） 下列生活用品的主要材料中，属于合金的是______（填序号）； A . 塑料盆 B . 紫砂壶 C . 不锈钢锅 D . 木碗 （3） 造成非吸烟者在公共场所吸食“二手烟”的主要原因是（用微粒的观点解释）； （4） “84消毒液”的主要成分是次氯酸钠NaClO，其中Cl的化合 I have a nice family.My parents and I are in the family.My father is a tall man.He_____ in a radio station.He likes his job.Every morning he gets up early _____ he doesn't want to be late for work._____ radio station is _____ from our home，so he always goes there by car.It usually _____ him about forty minutes.My mother is a nice woman.She is a teacher.She _____ music in my school.She usually goes to school _____.She likes _____ and she says it's good _____.How about ______？I walk to school with my mother every day.1.A.works B.lives C.plays D.thinks2.A.so B.but C.because D.and3.A.A B.An C./ D.The4.A.near B.close C.far D.clean5.A.gets B.takes C.makes D.wants6.A.teaches B.has C.learns D.shows7.A.by bike B.by bus C.by car D.on foot8.A.walk B.walking C.to walks D.walks9.A.number B.dream C.exercise D.subject10.A.her B.you C.his D.me