经过降温和加压处理后的液化石油气体,其密度为水的()。
A、1/2
B、1/3
C、1/4
D、1/5
参考答案:A
患者男性,缺失,拟行可摘局部义齿修复,游离端局部义齿基托后缘应该位于()
A.磨牙后垫1/3~1/2处
B.末端人工牙远中
C.磨牙后垫前后
D.磨牙后垫前缘
E.磨牙后垫后缘
— Excuse me, could you tell me____________?
— There is an e–shop on the third floor. You can repair it there.
A.where can I repair my iPad
B.where I can repair my iPad
C.how can I go to the e–shop
D.how I can go to the e–shop