幼年类风湿关节炎时,眼部病变中哪种最具有诊断意义()
A.巩膜炎
B.眼虹膜睫状体炎
C.眼色素层炎
D.角膜炎
E.结膜炎
参考答案:B
根据括号内的汉语提示,完成句子。(每空一词)
小题1:There are two______(刀)and three forks on the desk.
小题2:What______(其他的)do you like, Jack?
小题3:In a basketball match, players move______(朝向)one end of the court while Throwing the ball to each other.
小题4:That company_______(提供)us with 3, 000 dollars in 2012.
小题5:In China, we shouldn’t______(指向)at any one with our chopsticks.
小题6:Talking loudly in a library, a museum, or a movie theater is________(不礼貌的).
A,B两个均匀物体,都放在水平桌面上,底面积之比为SA:SB=4:1,它们对水平桌面的压强之比PA:PB=1:2,则A,B两物体重力之比GA:GB是( )
A.1:2
B.2:1
C.1:8
D.8:1