【单选题】A projectile is fired at an angle of 37° with an initial velocity of 100 m/s. the range of the object is approximately
【单选题】听力原文:M: So, Juliet you.., you have a very powerful voice, with a wonderful range from high to low... does it take a lot of looking after? W: Urn... not more so than anybody else, I don't think.., urn,...
【简答题】已知空间四点O(0,0,0),A(2,0,0),B(0,2,0),C(0,0,4), (1)若直线AB上的一点H满足AB⊥OH,求点H的坐标. (2)若平面ABC上的一点G满足OG⊥面ABC,求点G的坐标.
【判断题】经考证,印度的野生茶树属于中国茶树的变种,因此,中国是茶树的原产地。
【单选题】l 计算机运行一段时间后性能一般会有所下降,为此需要用优化工具对系统进行优化。系统优化的工作不包括(26)
【单选题】What is the range of addresses for jump and jump and link in MIPS (M=1024 K)?
A.
Addresses up to about 32 M before the branch to about 32 M after
B.
Addresses up to about 128 M before the branch to about 128 M after
C.
Anywhere within a block of 64 M addresses where the PC supplies the upper 6 bits
D.
Anywhere within a block of 256 M addresses where the PC supplies the upper 4 bits
【单选题】( )是深度为h且含有2 h -1个结点的二叉树。
【单选题】四点O(0,0,0),A(1,0,0),B(0,1,1),C(0,0,1) 组成的四面体的体积是( )。