在课堂上对小组讨论结果做出的评价属于（）
A.诊断性评价
B.形成性评价
C.总结性评价
D.自身评价
参考答案：B
—Tom, you look tired this morning. What's wrong?
—I was so busy that I didn't go to bed _______ 12 o'clock last night. [ ]
A. until
B. when
C. though
D. unless
（）居五官之首，是面部具有感觉和表达功能的器官。
A、鼻子
B、眉毛
C、额头
D、眼睛
