周期性波浪式的高烧和低烧是()的特征。
A.鼠疫
B.莱姆氏疏螺旋体病
C.单核细胞增多症
D.布鲁氏菌病
参考答案:D
—What does your father look like?
—He ____.[ ]
A. likes history
B. is tall and thin
C. likes eating meat
D. is 40 years old
木工手工锯的纵锯锯齿的切削角为()。