AlthoughLindatriedhardintheexam,shedid______thanherbrother.
A、morebadly
B、muchbetter
C、muchbadly
D、muchworse
You'dbetterstopdoingthejobifitgoes______yourwill.
A、with
B、away
C、against
D、for
设A为3阶方阵，特征值分别为-2，1，1，则|5A-1|=______________.
Woodisoften_________paper.
A、usedtomaking
B、usedtomake
C、usedtobemade
D、usedmaking
AnA4sizedpanel(太阳能板)putontothebackofajacketcosts__________US$15.Itcould__________acellphoneduringasummerwalk.
A、atmost;work
B、atleast;control
C、atleast;fuel
D、atmost;charge