成人胃管插入深度一般为________Cm。
参考答案:45~55
I’m sorry, sir. Your recorder isn’t ready yet. It ______ in the factory.
A.is being repaired
B.is repaired
C.has been repaired
D.hasn’t repaired
In my class some students love music, ________ are fond of drawing and _______ enjoy reading.[ ]
A. some; other
B. others; the other
C. others; the others
D. some, others