备齐项目选址、资源利用等方面的批准文件是业主在项目（）阶段的主要任务。
A.决策
B.实施准备
C.实施
D.竣工验收
参考答案：B
一个30°的角，用放大3倍的放大镜来看，这个角的度数是______．
根据句意及汉语提示，在下列各句空缺处写出各单词的正确形式。
1. There are different _____ (兴趣小组) in our school.
2. My cousin wants to play in the _____ (下一个的) World Cup.
3. Simon sometimes has lunch in a _____ (饭店)?
4. Would you like to go _____ (跑步) with me?
5. Can you find that _____ (运动员) bag?
