Ph1染色体通常发生于()
A.急性淋巴细胞性白血病
B.慢性粒细胞性白血病
C.急性单核细胞性白血病
D.慢性淋巴细胞性白血病
E.急性粒细胞性白血病
参考答案:B
Look, read and write.(根据图片及汉语提示填空)
1. It's rainy now. Open up your _______ (雨伞).
2. It's sunny now. Put on your _______ (太阳镜).
3. It's windy now. Hold on to your _______ (帽子).
4. It's showy now. Put on your _______ (靴子).
光通量的计量单位是()。
A.cd
B.Lm
C.Lx
D.nt