下列关于易燃.易爆危瞪品的保管方法正确的是()
A. 不得与其他药品同库贮存
B. 应分类堆放
C. 严禁烟火,不准明火操作
D. 危险品的封口必须坚实牢固.密封
E. 钠钾等金属应存放于水中
Listen to the recording and choose the best answer to the question:Why doesn't the author like holiday travel?
A. The security line is out of door
B. Too many people
C. No travel voucher
D. Oversold flight
Which are the features of tourists
A. Have the exact place to visit in their mind
B. Take pictures of ordinary people and things
C. Stick to must-see tourist spots
D. Take time to immerse themselves in the local culture
E. Take photos of themselves at all landmarks
Which are the features of travelers
A. Like to learn some phrases in the local language
B. Have no clear idea about their destination
C. Buy many souvenirs or gifts
D. Learn and experience new things
E. Tend to travel solo
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