Y/D航前测试在何处进行?()
A、地面上在驾驶舱内
B、地面上在驾驶舱或主设备舱内
C、地面或空中,驾驶舱内
D、主设备舱
参考答案:B
Even though he has lived in China for many years, Mark still can't ____ himself to the Chinese customs. [ ]
A. apply
B. admit
C. adapt
D. accept
下列有关人体结构与生理的说法正确的是( )
A.人在幼年时期生长激素分泌不足会患呆小症
B.视觉形成在视网膜上
C.输血时最好是同型血相输
D.经肾小管重吸收后的液体是原尿