滑车神经受损时出现的表现是()
A.眼球向内活动受限
B.眼球向上活动受限
C.眼球向上及外展运动减弱
D.眼球向下及外展运动减弱
E.眼球向外活动受限
参考答案:D
--- Mum, where are my gloves? Is the pair of gloves ______ mine?
--- Yes. You have to wear another pair.
A.washing
B.have washed
C.having washed
D.being washed
钢筋混凝土结构、预应力混凝土结构中,严禁使用含( )的水泥。
A.氟化物
B.氯化物
C.硫化物
D.铝化物