阅读图文材料，完成下列要求。

材料近代以来，在列强的压力下，中国被迫开放了一系列通商口岸。自1898年至1910年，清政府又主动开设了30余个商埠。

图9清末自开商埠分布示意图

——据严中平等编《中国近代经济史统计资料选辑》等

从材料中提取一个有关自开商埠的信息，并加以简要分析。

完形填空

    The world has many beautiful 1. We can hear the songs of birds and the laugh of people. We can listen to cool music and news reports. And it is all because of our ears! They 2 us a world of sounds.

    But some people can't hear any sound at all. Some are born deaf. 3can hear well in their childhood, but too many loud sounds hurt their ears later on.

 Many people in China can't hear ordinary sounds clearly. A large number of them are children. Most of them are born 4 good hearing. But six children out of every 1,000 have hearing problems when they are born.

    A lot of things can5 hearing problems. And noise louder than 85 decibels(分贝) can hurt our ears and make us lose our hearing for a short time or even forever.

Hearing is important. So we should do our best to give our ears special care. Don't forget to do the following:

    Try to 6 places with too much noise. When 7, remember to put earplugs into your ears to stop water from getting in.

     Never put 8 sharp (尖锐的) into your ears. Keep these things in 9! Then you won't 10“What? What?” when you are older.

维生素对人体健康起着重要的作用，因此我们要服用大量的维生素．（判断对错）

钛具有硬度大、密度小、熔点高、抗腐蚀性远优于不锈钢等优良性能，被誉为“未来金属”，制备钛的反应为：TiO₂+4LiTi+2Li_mO．下列说法正确的是（　　）

2015年国家公务员招考共有152万人通过审查合格，平均每个岗位77人竞争，最火岗位考录比7192:1。面对公务员考试“千军万马过独木桥”的严峻形势，很多大学生却依旧一路追捧“中国第一考”。这启示要实现就业，劳动者应该(   )

①靠政府安排实现就业       ②实施就业优先战略   

③树立多种方式就业观       ④树立职业平等观