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【单选题】
有圈的物质循环的叙述，正确的是A.
三大类岩石间均能直接转化
B.
循环过程中的能量均来自地球内部
C.
侵入岩和喷出岩都属于岩浆冷却凝固形成的岩浆岩
D.
岩石圈物质循环对地表形态的改变意义不大
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A.
遇有可能危及旅游者人身财产安全的紧急情况时
B.
经征得多数旅游者的同意
C.
经征得领队及部分旅游者的同意
D.
立即报告旅行社
【多选题】导游人员在引导旅游者旅行、游览过程中，()时，可以调整和变更接待计划。
A.
在遇有可能危及旅游者人身安全的紧急情况
B.
经征得多数旅游者的同意
C.
经征得领队及部分旅游者的同意
D.
接到旅行社通知、不管旅游者是否愿意
E.
接到游览景区安全警示时
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【单选题】— Did you have a good May Day holiday? — _____. I enjoyed myself with my family on the beach. [ ]
A.
I'm afraid not
B.
I'm not sure
C.
Of course
D.
I hope so
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A.
writing is his favourite course.
B.
he prefers other courses to composition.
C.
one particular course is better than writing.
D.
he doesn't like any course, least of writing.
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【简答题】Replace the underlined words with the correct form of the words below. 用所给单词的正确形式替换句子中的划线部分。(注意大小写,时态,单复数等词形变化) etiquette exhaustive expletive highbrow informant initially reciprocat...
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