【简答题】用所给词的适当形式填空(15分) 小题1:I enjoy ______(listen) to music. 小题2:I like spring ______(well) 小题3:I enjoy ________(oneself) on Sunday. 小题4:— What’s the boy doing now? — He (clean) the window. 小题5:— Why not ___...
【判断题】低碳钢和低合金钢常温组织的晶体结构属于体心立方晶格,而奥氏体不锈钢组织的晶体结构属于面心立方晶格。
【单选题】太阳能电池是将太阳能通过特殊的半导体材料转化为电能,在能量的利用中,它有许多优点,但也存在着一些问题,如受到季节、昼夜及阴晴等气象条件的限制.为了能尽量地解决这些问题,可设想把太阳能电池送到太空中并通过一定的方式让地面上的固定接收站接收电能,太阳能电池应该置于()
【简答题】选择单词或词组,用其适当的形式填空,使句子意思正确,通顺。(每词限用一次,其中两词多余)(5分) weekend; enjoy oneself; worry; wait for; good; wood; practice 小题1:I’m no more a child, don’t _______________ about my health. 小题2:I’ll try my _...
【简答题】a. __________: containing a lot of liquid that comes from fruit and vegetables b. __________: to eat something quickly or in a way people don't consider polite c. __________: to relax enjoy oneself no...
【简答题】1 Match the words and expressions. 1. hear from a. enjoy oneself 2. greet b. receive somebody’s letters 3. job ...
【简答题】与太阳同步卫星的轨道特点是 ( )、( )、 ( )、 ( )。