【简答题】从播种面积看,( )、玉米是我国播种面积占第二位和第三位的作物。 A.小麦 B、马铃薯 C、黑豆 D、燕麦
【简答题】四年级同学去参加世界恐龙谷,每张门票60元,共需148张门票,买门票应付多少元?
【简答题】A.He takes it as a kind of exercise. B.He wants to save money. C.He loves doing anything that is new. D.His office isn't very far.
【简答题】He takes plenty of (vigor) exercise.
【单选题】景区门票按照制作材料的不同,可分为纸质门票和()。
【判断题】三个SP2杂化轨道所在平面和2Pz轨道对称轴垂直
【简答题】游乐园每张门票12元,买300张门票需要多少元?