根据下列句子中所给的汉语或者首字母提示，在空格处填入一个单词，使句子通顺，意思正确。

（1）We Chinese often shake hands when we meet visitors, and sometimes we n______ our heads.

（2）The two museums both o______ to the public from 9:00 am to 5:00 pm.

（3）Alex w______ the first prize in the city’s invention competition for middle school students last month.

（4）Many ________（野生的）animals still don’t have a safe place to live.

（5）When you use a ________（地图）on your phone, you will find it is often from the Beidou Navigation Satellite System（北斗卫星导航系统）.

（6）Today, many young Chinese people have a big ______（梦想）and are serving the country in many ways.

（7）In ______（自然）, you can find new and interesting things everywhere with your own eyes.

（8）If I can cook some simple meals, my parents will not worry about me when they are ________（繁忙的）with work.

（9）The players of the school football team spend two hours in training every ________（星期五）.

（10）Fan Jinshi ________（计划）and worked on the largest protection program in the history of the Mogao Caves（莫高窟）.