代理报检员张某在为甲公司办理报检手续时,以“已接受甲公司口头授权”为由,拒绝向商检机构提交授权委托书,这种做法正确。
参考答案:错
— Bruce was killed in a traffic accident.
— _____ I talked with her yesterday morning! [ ]
A. What a pity!
B. I beg your pardon?
C. Sorry to hear that.
D. Is that so?
一定条件下的可逆反应:2SO2(g) + O2(g)2SO3(g),若改变下列条件,可提高反应物中的活化分子百分数的是[ ]
A.升高温度
B.加催化剂
C.增大压强
D.增大反应物浓度