制定半年采购计划应考虑的因素有：（）
A、市场需求
B、国家局政策导向
C、公司的品牌策略
D、货源采购
参考答案：A, B, C, D
Complete the sentences according to the Chinese meaning. (根据汉语提示完成下列句子)
1. The old man is (恼火) his son.
2. I did (更好) maths than English
3. When the UFO (起飞), the man was fiding the bike.
4. Langzhong is a beautiful place. I fall in (爱上) it.
5. I think I have (学得有趣) Chinese.
液力变矩器具有一定的（）和（）功能。
