【简答题】______ , the first important English essayist, is best known for his essays which greatly influenced the development of this literary form.
【判断题】( )全站仪距离测量有精测、速测(或称粗测)和跟踪测量等模式可根据测距的要求通过键盘预先设定。
【单选题】Noah Webster was a ______.
【单选题】关于学龄儿童的膳食指南不正确的说法是( )。
A.
《中国居民膳食指南》中所有8条原则都适用于学龄儿童
【简答题】The indication of a river that must flow down at each step for the essayist is ______.
【单选题】10Ω和15Ω电阻相并联,再与14Ω电阻相串联。总电阻为?