题干
— Our food will _______. Hurry to get help from the nearby villagers.
— No need. It will last us for as long as two weeks.
— No need. It will last us for as long as two weeks.
A：give out
B：give off
C：give away
D：give i
答案(点此获取答案解析）
A
。有下列叙述：①X被氧化；②X是氧化剂;③X具有氧化性；④XY既是氧化产物也是还原产物；⑤XY中的Y 2-具有还原性；⑥XY中X2+具有氧化性；⑦Y的氧化性比XY中的X的氧化性强。以上叙述中正确的是（ ）