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按组织形式,旅游活动分为 和 。
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皮皮学刷刷变学霸
举一反三
【单选题】The soldiers have to stand for hours without changing .
A.
position
B.
situation
C.
location
D.
condition
【单选题】The idea of test-tube babies may make you starry-eyed with delight at the wonders of modern medicine or bleary-eyed with considering the moral/legal implications of starting life in a laboratory. But ...
A.
Canada
B.
Britain
C.
America
D.
Australia
【简答题】手机中的VCO组件一般有4个引脚: 、 、 及 。
【简答题】日常生活中常见的气质类型包括
【单选题】Since the villagers' houses have been damaged in the earthquake, the soldiers are helping them ______ tents (帐篷). [ ]
A.
put on
B.
put off
C.
put up
D.
put down
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