【单选题】On a tank vessel, which of the following substances would be burning in a class 'B' fire?
【单选题】What did Bill Gates do at Harvard University?
A.
He formed the ''Programmers Group'' at Harvard University.
B.
He developed a small computer to measure traffic flow.
C.
He spent many long nights in front of the school’s computer.
D.
He discussed with his classmates about starting a new business.
【单选题】What did Bill Gates do at Harvard University?
A.
He developed a small computer to measure raffic flow,
B.
He formed the "Programmers Group" at Harvard Univerity.
C.
He apent many Jong nights. in. front. of the. achool's, computer.
D.
He discussed with his clssmates about staring a new business.
【单选题】Which of the listed substances can be satisfactorily removed from diesel fuel by centrifuging?
【单选题】设幂级数在处收敛,则此级数在处( ). A.条件收敛 B.绝对收敛 C.发散 D.收敛性不能确定
A.
设幂级数 ∑an(x-1)^n在x=-1 处收敛,则此级数在 x=2 处( ). A.条件收敛
【单选题】What did Bill Gates do at Harvard University?
A.
He developed a small computer to measure traffic now .
B.
He formed the “Programmers Group” at Harvard University .
C.
He spent many long nights in front of the school’s computer .
D.
He discussed with his classmates about starting a new business .