【单选题】西南石油大学共开设本科专业数是多少?()
【简答题】(2六v4?岚山区模拟)已知3x+2了=44,2x+3了=4五,那么x=______,了=______.
【单选题】He was wounded. He went on fighting.
A.
Even though he was wounded, he went on fighting.
B.
He was wounded, even if he went on fighting.
【简答题】已知:五个数a,2,3,4,5的平均数为3,那么这五个数的方差是______.
【简答题】已知有五瓶透明溶液:Ba(NO 3 ) 2 、Na 2 CO 3 、KCl、Na 2 SO 4 和FeCl 3 。除以上五种溶液外,不用任何其他试剂和试纸,请将它们一一区别出来。
【单选题】怀疑计算机感染病毒后,首先应采取的合理措施是()。
【单选题】After he finished the paper, he went to work.
A.
After the paper, he went to work.
B.
After finished the paper, he went to work.
C.
After he finished the paper, he went to work. - NO CHANGE POSSIBLE
【单选题】最近,小明发现自己的笔记本电脑经常无缘无故地死机,运行速度也明显变慢,怀疑感染了计算机病毒。他首先应采取的合理措施是()。
【单选题】一腹泻患儿,精神萎靡,四肢乏力。查体:腱反射减弱,肠鸣音减少,该患儿可能发生了
【简答题】已知2,3,5,m,n五个数据的方差是2,那么3,4,6,m+1,n+1五个数据的方差是( )。