变形缝包括伸缩缝、沉降缝和防震缝,其中伸缩缝和沉降缝可以互相替代。()
参考答案:错
—_____ is that on the desk?
—My Chinese book.[ ]
A. What
B. Where
C. Which
D. When
主要由单核巨噬细胞和类上皮细胞构成的KP是()
A.尘状KP
B.中等大小KP
C.羊脂状KP
D.色素性KP