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柱状晶体排列位向一致,其性能也具有明显的方向性。( )
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Choose the best answer after reading the passge.Backpacking Around the World at 72When I retired at 65, I bought a one-way ticket to Bangkok, packed a rucksack and waved goodbye to my family. I had no plans, I just knew I wanted to travel. Seven years later, I’m still travelling around the world.So far I’ve hugged elephants in Thailand, shared a happy New Year’s Eve with a family in China, and eaten copious local delicacies — be it ants’ eggs in Cambodia or snakes in Taiwan. And I can’t imagine settling down.Until I retired, I’d never dreamed of leaving behind my family for a long holiday. But after three decades slogging away running a hair salon and supporting my three children as a single parent, I finally felt free.I speak to my family regularly on Facebook, and I keep a blog so they know what I’m up to and where I am. I stay in hostels and often write about the people I meet — you get a real mishmash . It can be annoying, especially when people roll in at 3 a.m. or decide to repack their luggage in the middle of the night, but I like the community vibe.I thought it was funny and blogged about it the next morning — but my youngest son called me up, furious. “Mother!” he cried, “I can’t believe you’re writing pornography. I thought you were sightseeing.” I really hadn’t seen it like that — I have become very accepting.My most dangerous trip so far was a tour of Kashmir last year. The mountain landscape is dramatic, just like a film set, but it’s not a safe place and the Foreign Office advises against travelling around the region because of terrorism.I was also harassed a few times by men — it’s a very conservative Muslim area and, as a blonde woman on my own, I stood out. I’m only 5 feet 1 inch, but I think of myself as pretty strong. If a man threatens me, I tell him to leave me alone, and I’m prepared to whack him with my camera if he doesn’t.Even so, my family long for me to be a normal grandmother to my four grandchildren. I love them dearly but it’s not going to happen. We all have the right to realize our dreams and I still have 101 places to visit on my wish list, including Argentina, to learn the tango.When people say to me, “Don’t you think you’re a bit old to be doing this?” my answer is always the same: I’m healthy and full of energy. And I don’t think anyone should be limited by age.How old is the author when she writes the article?
Which place doesn’t appear in the text?
The author wants to____ after retirement.
The Foreign Office advises against travelling around the Kashmir region because .
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