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【单选题】
关于股骨头缺血坏死早期影像学表现描述不正确的是A.
早期可无异常发现
B.
股骨头内出现散在斑片状或条带状硬化区，边缘模糊
C.
少数混杂斑片状和伴硬化边的囊状低密度区
D.
X线检查是诊断早期股骨头缺血坏死最敏感的方法
E.
关节间隙正常
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举一反三
【单选题】I can wear an old suit with a little ______ so it will be more reasonable.
A.
alteration
B.
change
C.
conversion
D.
variation
【简答题】I can't ______ the little boy just how erous it is to swim that far out in the ocean! 我根本无法让这个小男孩明白在海上游出那么远有多危险!
【单选题】----How are you going, buddy? ----________. A little busy, though.
A.
Can’t be worse
B.
By train
C.
Not too bad
D.
on my own
【简答题】谈一谈,您对基础教育课程改革的认识?
【单选题】There will be ________water and ________trees in 100 years, how can we live?
A.
little, fewer
B.
less, less
C.
more, fewer
D.
less, fewer
【单选题】—______ English can you speak? —Only a little.
A.
How many
B.
How much
C.
Which
D.
What
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