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【单选题】
组成踝关节的骨骼有（ ）。A.
胫骨下端
B.
跟骨
C.
距骨
D.
腓骨下端
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】生物多样性的概念、层次及作用是什么?
【单选题】My teacher's voice _____sweet,We all like her songs. [ ]
A.
feels
B.
smells
C.
looks
D.
sounds
【单选题】The smile on my teacher's face showed that she was with me. [ ]
A.
sad
B.
pleased
C.
worried
D.
angry
【单选题】I regret ____ my teacher's advice, otherwise I would have succeeded in passing the exam. [ ]
A.
not to take
B.
not taking
C.
not to have taken
D.
having not taken
【单选题】My teacher's voice sweet. We all like her singing. [ ]
A.
feels
B.
smells
C.
looks
D.
sounds
【单选题】I will never forget my teacher's advice: 'As long as you can affect _____ life of your child in an active way, you've been _____ success.' [ ]
A.
/ ; the
B.
a; /
C.
a; the
D.
the; a
【简答题】算法的时间复杂度主要是以( )为标准进行评价。
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