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【判断题】
照度的国际单位是 勒克斯A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】某旅行社导游小谢带团去庐山时，路过某地遇到洪水，路面、桥梁均被冲垮，小谢只得调整或变更计划，但她应( )。
A.
事先征得旅游者同意
B.
征得旅游者书面同意
C.
征得多数旅游者同意
D.
征得全体旅游者同意
【单选题】What does the underlined phrase “die hard” in Paragraph 1 probably mean? ( )
A.
Change suddenly.
B.
Change significantly.
C.
Disappear mysteriously.
D.
Disappear very slowly.
【单选题】What was today's most popular breed of dog, the Labrador was originally bred for?
A.
For chasing prey.
B.
For herding livestock.
C.
Hauling nets and retrieving fish for the fishermen.
D.
For keeping accompany.
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