Dan has a membership at a local gym that also gives classes three nights a week. On any given class night, Dan has the option of taking yoga, weight training, or kickboxing classes. If Dan decides to go to either one or two classes per week, how many diff
A. 3
B. 6
C. 7
D. 9
E. 12
查看答案
确诊首选检查是
A. PPD试验
B. 骨髓穿刺
C. 抗HIV抗体及CD4+淋巴细胞计数
D. 血浓缩找恶组细胞
E. 淋巴结穿刺或活检
听力原文：M: Let me see. I have printed my family name, first name, date of birth, and address. Anything else？
W: No. That' s all right. We' ll fill in the rest of it if you just sign your name at the bottom.
What has the man been doing？
A. Having an interview.
B. Talking with his friend.
C. Filling out a form.
D. Asking for information.
社会主义初级阶段是指()
A. 各国建设社会主义必然经历的起始阶段
B. 我国从社会主义改造完成到社会主义现代化基本实现的阶段
C. 我国从社会主义建立到实现共产主义阶段
D. 我国从社会主义改造完成到进入小康社会
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