各单位编报上年度会计报表的时间是（）。
A、第一个月末
B、第二个月末
C、第一季度末
D、2月28日前
参考答案：C
根据句意和汉语提示，填写恰当的短语完成下列句子。
1. ____________________(老实说), we don't like this house.
2. Family _____________________(对……重要) everyone.
3. Frank, don't eat so much candy. You should ?____________________(好好保护) your teeth.
4. Tony is a problem boy. Many of his classmates ____________________(与……保持距离) him.
5. Having enough sleep is good, but sleeping for so long _________________(对……有害) you.
下列哪一项符合下壁Q波心肌梗死的心电图改变（）
A．V1～3导联宽而深的Q波形成
B．V7～9导联宽而深的Q波形成
C Ⅱ、Ⅲ、aVF导联宽而深的Q波形成
D．V3R～6R导联宽而深的Q波形成
E．Ⅰ、aVL导联宽而深的Q波形成
candy. You should ?____________________(好好保护) your teeth.