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【单选题】
绿色植物吸水的主要器官是A.
茎
B.
叶
C.
花
D.
根
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举一反三
【单选题】Do you know when _________ he ________ the Football Club ? And how long ______ he _______ it ?
A.
did join ; has been
B.
did join in ; have been a member of
C.
did join ; has been in
D.
has joined ; has been a member of
【单选题】—_____did he hiccup? —He hiccupped for 36 years and 3 months. [ ]
A.
How long
B.
How soon
C.
How often
【单选题】根据旅游资源的分类原则，位于河南省渑池县境内的仰韶文化遗址属于（）
A.
具有历史、艺术、科学价值的古文化遗址
B.
与重大历史事件有关的具有重要史料价值的遗址
C.
历史上各时代珍贵的艺术品
D.
反映历史上各民族社会制度、社会生产和社会生活的代表性实物
【单选题】—He is fluent in English because he once stayed in London。 —Really ?How long ____ there ?
A.
did he live
B.
has he lived
C.
had he lived
D.
does he live
【简答题】已经感染或疑似感染 新型冠状病毒的病人, 拒绝 执行卫生防疫机构依照传染病防治法提出的 预防、控制 措施,后果是什么?
【简答题】How long did he run without stopping?
【简答题】How long did he stay in the elevator? （ ）
【单选题】— did he hiccup? — He hiccupped for 6 years. [ ]
A.
How
B.
How long
C.
How much
D.
How far
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