How many people were there at the very quiet birthday party?
A. Two
B. Five
C. Six or more
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Where did the man ask his girlfriend to marry him?
A. In an airplane
B. On a beach
C. At the airport
What do you think the writer is trying to tell us?
A. We spend tood much time on social media
B. We don't spend enough time on social media
C. It's good to use social media when we are with our friends
12号普通单开道岔的尖轨尖端轨距为()mm。
A. 1435
B. 1440
C. 1445
D. 1450
皮亚杰的他律道德阶段可对应于柯尔伯格道德发展的哪个阶段:
A. 天真的快乐主义
B. “好孩子”定向
C. 惩罚与服从定向
D. 维护社会秩序的道德
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