1972年美国总统尼克松访华，与周恩来总理握手的那一时刻起，“一个时代结束了，另一个时代开始了”。这里的“另一个时代开始了”的含义是指（    ）

①笑迎新生活，做更好的自己   ②努力学习，不懈地追梦、圆梦

③早早立志，磨砺意志和品格   ④与友同行，体悟生命的美好

B、C 和 D 项中选出最佳选项。

    Canton Tower is the highest tower in China.1 you stand on top of the tower, you can get a bird's-eye view of the Pearl River. At weekends, people in Guangzhou often visit the tower with 2families. Visitors are 3in taking photos of the city at the tower.

    In 2005, workers 4 to build this tower. In 2010, the colorful lights of the tower lighted up the sky for the first time. People spend over four years 5 it.

    Canton Tower is in the center of our city. It is  6to get there by bus or by underground. We can also find 7useful information of the tower on the Internet. For example, there 8 a 4D cinema in it. The tower is open 9 9 a.m. to 11 p.m.

    For people of Guangzhou, Canton Tower is 10work of art and a new symbol of our city.

在2010年1月的海地地震中，中国8名维和警察为联合国维和工作和世界和平献出自己宝贵生命，他们是中国警察的骄傲，是中国人民的骄傲。这一现象充分体现了（）
① 中国作为联合国成员国全力支持并积极参与联合国的一切工作
② 向世界彰显出中国是一个“负责任的大国”
③ 中国维和警察的高尚品质
④ 中国从1990年开始向联合国维和行动派遣观察员