从GB12904《商品条码》国家标准中我们可以看出,不同放大系数的条码,它们的尺寸误差要求也不同。放大系数越,尺寸误差要求越严()
A.小
B.大
参考答案:A
7.—Who would you rather _______ with you for holiday?
—A man _______ himself Wilson.
A.have gone; called
B.have going; calling
C.have go; calling
D.have go to go; calls
佝偻病激期,长骨X线检查中错误的是()
A.干骺端增宽,骨密度增高,轮廓光整
B.骨骺与干骺端的距离加大
C.骨质普遍稀疏
D.可有骨干弯曲或骨折
E.临时钙化带消失