以下（）不属于引导党员立足岗位创先争优的载体。
A.创建党员先锋岗
B.创新方式讲党课
C.建立党员责任区
D.开展党员承诺制
参考答案：B
While we were running on the playground, Jack suddenly stopped and lay on the ground, so we all stopped what was wrong with him.
A. to run; to see B. running; seeing C. running; to see
下面（）是招标文件中技术文件所要求的内容。
A.技术和质量的要求
B.产品要求
C.项目服务要求
D.验收要求
