题目

右图为某抗酸药的实物图，回答下列问题。     （1）图中标示的物质中，含义的金属元素是——————（写出一种即可），属于有机合成材料的是———— ————————————。               （2）淀粉属于——————————————（填字母序号）。   A. 蛋白质  B. 糖类  C.  油 脂   D. 维生素                                           （3）图中塑料包装废弃后可用于微型实验。如鉴别氢氧化镁和碳阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。A wise teacher let her class play a game. The teacher told each child to bring a bag containing a few ______. Each potato will be given a name of a person that the child _____hates, so the number of potatoes that a child will put into his / her ______ will depend on the ______ of people the child hates.Some children had two potatoes; some had three and others had_____ up to five potatoes. The teacher then told the children to carry the bag ____ they go for a week.___ the days went by, the children started to _____ ，because the rotten（腐烂的） potatoes ____ an unpleasant smell. And the students with five potatoes also had to carry _________ bags.______ a week, the teacher asked, "How did you______?" The children started complaining about the trouble they had to ______, when they had to carry the heavy and _______ potatoes everywhere they went.Then the teacher said, "This is the _______ when you carry your hate for somebody inside your______. The smell of hate will _______ your heart and you will carry it with you wherever you go. If you cannot ______ the smell of rotten potatoes for just one week, can you _______ what it is like to have the smell of hate in your heart for a ______?"1.A. games B. books C. potatoes D. persons2.A. chooses B. loves C. hates D. forgives3.A. bag B. box C. basket D. barrel4.A. kind B. number C. weight D. size5.A. ever B. even C. already D. hardly6.A. whatever B. whenever C. however D. wherever7.A. As B. Although C. When D. After8.A. argue B. disagree C. stop D. complain9.A. gave in B. gave up C. gave off D. gave away10.A. larger B. heavier C. more D. fewer11.A. Until B. Before C. After D. Toward12.A. play B. learn C. feel D. realize13.A. go up B. go through C. go on D. go with14.A. fresh B. delicious C. lovely D. smelly15.A. situation B. chance C. example D. way16.A. study B. work C. life D. heart17.A. pollute B. damage C. kill D. take18.A. continue B. last C. bear D. love19.A. remember B. imagine C. recognize D. notice20.A. week B. moment C. while D. lifetime