如果票据的出票金额为1万元,依次背书转让给B、C、D,其中D将金额变造为15万元,请问变造后B、C应承担的票据责任为()万元。
A、1
B、15
C、14
D、16
参考答案:A
Stephen Hawking has expressed his opinion ___ humans might one day be able to make spaceships capable of such speeds that time on board would slow down.
A.that
B.whom
C.which
D.what
下列各种机床中,不属于普通机床的是( )。
A.普通车床
B.钻床
C.镗床
D.磨床