—Mike, how about your journey to Mount Huang?—Everything was wonderful except that our car_________ once on the way.
苹果汁是人们喜爱的饮料，由于此饮料中含有Fe2+，现榨的苹果汁在空气中会由淡绿色（Fe2+）变为棕黄色（Fe3+）。若榨汁时加入维生素C，可阻止这种现象发生。这说明维生素C具有
黄宗羲认为：“然则其（封建国家）所谓法者，一家之法，而非天下之法也。……即论者谓有治人无治法，吾以谓有治法而后有治人。”黄宗羲思想的核心是（ ）
23 ×15=
0.324÷0.01=
4÷ 49 =
109 ×1 45 =
0× 23 ÷3=
3.2x﹣1.9x=
2a+1.5a=
24×4%=
1.25×25×8×0.4=
（ 23 ﹣ 19 ）×18=
— Jack, don't always copy what others do. your head, please.
— Thanks for telling me.
