1.——Teach him to have faith in his own ideas,even if everyonetells him they are wrong.
——You are right.Only in this way can he realize what______success is.
A./ B.the
答案选A,为什么不选B
2.Why the explosion occurred was ______ the laboratory attendant had been careless?
A.for B.because C.since D.that
答案选D,为什么不选B