—Excuse me, can you tell me the way to the Union Station?______ A、You can't miss itB、I don't knowC、Sure. Go straight ahead and take the second turning on your rightD、You will see it immediately
—Excuse me, can you tell me the way to the Union Station?______
A、You can't miss it
B、I don't know
C、Sure. Go straight ahead and take the second turning on your right
D、You will see it immediately
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You ( ) me, because I never said I liked coffee without milk. A、must misunderstandB、must have misunderstoodC、must be misunderstandingD、had to misunderstand
If you have finished this section, please ( ) me, and I will cut down the price to U.S. 10.00. A、informB、uniformC、tallD、tell
如图5-44所示,已知梁的弯曲刚度EI为常数,今欲使梁的挠曲线在x=l/3处出现—拐点,则比值Me1/Me2为 ( )。A.Me1/Me2=2 B. Me1/Me2= 3 C.Me1/Me2=1/2 D. Me1/Me2=1/3
Me,you是两个初始集合,则下列关于派生集合定义方式正确的是A.link/me,you/:a;B.link(me,you):a;C.link/me you/a;D.link(me,you)/a;
一跨度为l的简支梁,若仅承受一个集中力偶Me。当Me在梁上移动时,梁内产生的最大剪力FSmax和最大弯矩Mmax分别为 。A.FSmax = 0,Mmax = Me;B.FSmax = 0,Mmax = Me/2;C.FSmax = Me/l,Mmax = Me;D.FSmax ≤ Me/l,Mmax = Me/2;
3、一跨度为l的简支梁,若仅承受一个集中力偶Me。当Me在梁上移动时,梁内产生的最大剪力FSmax和最大弯矩Mmax分别为 。A.FSmax = 0,Mmax = Me;B.FSmax = 0,Mmax = Me/2;C.FSmax = Me/l,Mmax = Me;D.FSmax ≤ Me/l,Mmax = Me/2;
me是一个包含3个成员属性为a的集合,you是一个包含2个成员属性为b的集合,则要定义一个2行3列的矩阵所对应的派生集合方法中正确的是A.ps(me,you):c;B.ps(you,me):c;C.ps(a,b):c;D.ps(b,a):c;