1956年,我国确立了社会主义制度,开始了中国社会主义建设道路的探索,在探索的过程中,取得过重要成果;也由于全党缺乏领导大规模经济建设的经验,在探索过程中出现了严重失误;还由于领导者错误判断,使中国大地发生了一场浩劫,给党、国家和各族人民带来了深重灾难;但是,在20年艰难曲折的探索历程中,我们的社会主义事业仍然在向前迈进,国防科技取得了辉煌成就。在创业年代里涌现出了大批先进人物,成为中华民族前进和发展历程中的宝贵财富。
认真阅读以上材料后回答:
粗心的小明写了9个字,写错了3个,还有7个字没写,他要写几个字?
根据以下铁钉生锈实验的设计,得出的结论不正确的是( )
根据材料内容,选择正确答案。
There are 50 students in Class 8. Now they are doing a survey about how they spend their pocket money. Some spend it on books, and others spend it on visiting. What about you? Please read the form and answer the questions.
10%
55%
12%
13%
Buy some CDs and computer games.
Buy some snacks and drinks.
Buy some books in the bookshop.
Save it up and spend it traveling on holiday.
Buy some gifts for friends.