【判断题】八进制数(16)8比十进制数(16)10小。()
【单选题】____是科学研究的前提,没有此前题,所得结果也只能是摆设。
【简答题】阅读下列短文,短文中有四处空白,短文后方框内有四个句子,请根据短文内容把他们分别放回到文中原来的位置,以恢复文章的原貌。 A. You nod (点头), and people know you are saying yes. B. Books are written to tell you about all great things in the world. C. A smile on yo...
【简答题】阅读下面短文,从短文后方框中所给的五个句子中选出四个,分别填入文中相应的序号后,使短文语义连贯,结构完整。 Reading is very important to help you learn English. This book provides not only different kinds of English but also a good way to check your read...