患者,男,49岁,为查找癌细胞需留痰标本,固定标本的溶液宜选用()。
A.40%甲醇
B.95%乙醇
C.5%苯酚
D.40%甲醛
E.稀盐酸
参考答案:B
— Did you have any trouble finding your way in London?
— Yes, I tried to find my way to the museum but ____.[ ]
A. get lost
B. had been lost
C. lost
D. got lost
钢筋进行断后伸长率测试时,若规定的最小断后伸长率接近的标距标记的距离不小于原始标距的( )情况时,才有效。
A.1/2
B.1/3
C.1/4
D.1/5