【单选题】水准测量中,A为后视点,B为前视点、HA=25.000m,后视读数为1.426m,前视读数为1.150m,则 HB= ?
【单选题】在呈现挂图或其他直观教具时,同时出现的刺激物的数目不宜太多,而且排列应当规律有序,不可杂乱无章。这是因为幼儿()比较小。
【单选题】在物质和运动的关系问题上,形而上学和唯心主义的共同错误是( )
【单选题】He kicked the ball with great effort, the glass of the classroom.
【单选题】在物质和运动的关系问题上,形而上学唯物主义的错误是 ( )
【简答题】短文填空。根据下列短文内容,在短文后的空格处填上一个恰当的词,使短文完整、通顺。 People use their mouths for many things. They __ 1 __, talk, shout and sing. They smile and they kiss. In the English language, there are many expressions usin...
【简答题】听短文,录音中有一篇短文,听两遍短文,根据短文内容,完成下列表格。 How did Tom go to Boston? By (1) _____ What did he see during the trip? He saw cities and (2) _____ How long did it take Tom from New York to Boston? (3) _____ hours ...