题干
- What do you think of the contest?
--- I was told that the English Speech Contest ______ successfully last night.
A：went along
B：went dow
C：went off
D：went o
答案(点此获取答案解析）
C
河一号”已研制成功。超级计算机性能的发展遵循千倍定律，即每隔10年超级计算机的性能就会提高1 000倍，而实际上发展的速度可能更快。这说明