中华人民共和国的成立，标志着中国进入了由新民主主义向社会主义过渡的新时期。
参考答案：对
Make the sentences with the given words. 连词成句。
1. mark, a, makes, on, man, the, boat, a
2. people, were, room, there, the, some, in
3. fingers, me, wrong, show, two, for, the, answer
4. stories, you, any, know, Chinese, do, famous
5. the, the, fell, bottom, it, of, lake, to
观察各种死亡原因所占的比重大小，最好绘制的图形为
A．直条图
B．直方图
C．圆图
D．普通线图
E．半对数线图
