以下哪项不是继发性不稳定型心绞痛的诱发因素()
A.甲亢
B.劳累
C.感染
D.贫血
E.心律失常
参考答案:B
My father told me that he had___ hard life in his childhood.
A.calmed down
B.gone through
C.added up
D.set down
企业所得税批准类优惠办理基本规范中规定,审批机关为省级税务机关的,在()个工作日内办结。
A.40
B.20
C.30
D.15