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【单选题】
肱二头肌的主要作用是A.
使肩关节外展
B.
使肘关节屈曲
C.
使肘关节伸直
D.
使肩关节旋内
E.
主要运动肩胛骨
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反馈参考答案：
举一反三
【单选题】—— Was that the new comer who walked by? —— ＿＿＿＿＿.
A.
It must be that
B.
It must have been
C.
He must be
D.
This must have been
【单选题】关于光敏二极管和光敏三极管，下列说法错误的是（ ）。
A.
光敏三极管的光电流比光敏二极管大的多。
B.
光敏三极管的响应时间比光敏二极管长的多。
C.
光敏三极管的线性特性比光敏二极管差。
D.
光敏三极管的暗电流比光敏二极管大的多。
【简答题】阅读理解。 It's not a new phenomenon, but have you noticed how many nouns are being used as verbs? We all use them, often without noticing what we're doing. I was arranging to meet someone for dinner last ...
【简答题】It's not a new phenomenon, but have you noticed how many nouns are being used as verbs? We all use them, often without noticing what we're doing. I was arranging to meet someone for dinner last week, ...
【单选题】——Was that the dean who walked by?—— __________ .
A.
It must be that
B.
It must have been
C.
He must be it
D.
That must have been it
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