调查与收集社会信息必须遵循一定的基本程序,一般都要经历( )等阶段。
A.分析总结
B.调查方法设计
C.确定调查对象
D.风险识别
E.收集整理资料
参考答案:A,B,C,D
已知抛物线y2=2px(p>0)的准线与圆x2+y2-6x-7=0相切,则p的值为( )。
用所给词的适当形式填空(每小题1分,共5分)
小题1:Let’s make a ________ (decide) about the trip plan.
小题2:He checked the paper carefully to avoid ________(make) mistakes.
小题3:More and more ________(foreign) are becoming interested in Chinese culture.
小题4:Susan is not so ________(live) as Betty.
小题5:It’s important for us ________(learn) English well.